| 軽い | かるい | light (i.e. not heavy); feeling light (i.e. offering little resistance, moving easily); light (i.e. of foot); effortless | n5 |
| 気軽に | きがるに | freely; readily; cheerfully; without any sense of hesitation | |
| 軽蔑 | けいべつ | contempt; scorn; disdain; despising | |
| 手軽 | てがる | easy; simple; informal; offhand | n2 |
| 軽減 | けいげん | abatement; reduction | n1 |
| 気軽 | きがる | carefree; buoyant; lighthearted; sprightly | n2 |
| 軽量 | けいりょう | light weight | |
| 軽 | けい | light (e.g. aircraft, truck); light motor vehicle (up to 660cc and 64bhp); kei car | n3 |
| 軽快 | けいかい | light (of movements); nimble; sprightly; springy | n1 |
| 軽薄 | けいはく | frivolous; flippant; superficial; shallow | |
| 身軽 | みがる | agile; nimble; light (of foot); casual (clothing) | |
| 軽率 | けいそつ | rash; thoughtless; careless; hasty | n1 |
| 軽々しい | かるがるしい | rash; thoughtless; imprudent; careless | |
| 津軽 | つがる | Tsugaru (western region of Aomori Prefecture) | |
| 軽視 | けいし | making light of; thinking little of; slighting; belittling | n2 |
| 軽侮 | けいぶ | contempt; scorn | |
| 軽やか | かろやか | light; easy; non-serious; minor | n1 |
| 足軽 | あしがる | common foot soldier (feudal Japan); samurai of the lowest rank | |
| 軽羹 | かるかん | steamed sweet bun made from grated yam and rice flour | |
| 軽声 | けいせい | neutral tone (in spoken Chinese) | n2 |
| 軽度 | けいど | slight; light; mild (disability, symptoms, etc.) | |
| 軽重 | けいちょう | lightness and heaviness; (relative) weight; (relative) importance; gravity | n1 |
| 軽微 | けいび | slight; little; insignificant | n2 |
| 剽軽 | ひょうきん | facetious; droll; funny | |
| 軽業 | かるわざ | acrobatics; risky undertaking | |
| 手軽い | てがるい | easy; simple; handy; quick | |
| 気軽い | きがるい | cheerful; buoyant; lighthearted | |
| 軽々 | かるがる | lightly; easily; carelessly | n2 |
| 軽バン | けいバン | kei van | |
| 軽佻 | けいちょう | flippant; frivolous; thoughtless; careless | n1 |
| 軽んずる | かろんずる | to despise; to belittle; to look down on | |
| 軽さ | かるさ | lightness | |
| 軽口 | かるくち | talkative; loose-lipped; persiflage; frivolous talk | |
| 軽便 | けいべん | handy; convenient; simple; portable | |
| 軽妙 | けいみょう | light and easy; lambent; clever; witty | |
| 軽輩 | けいはい | underling | |
| 軽症 | けいしょう | minor illness | n2 |
| 軽卒 | けいそつ | rash; thoughtless; careless; hasty | n1 |
| 軽トラ | けいトラ | minitruck; light truck; small truck; light pickup | |
| 軽装 | けいそう | light clothing; dressing light; light equipment; light armaments | n1 |
| 口軽 | くちがる | loose-lipped; talkative | |
| 軽業師 | かるわざし | acrobat | |
| 軽食 | けいしょく | light meal; snack; refreshments | |
| 軽便鉄道 | けいべんてつどう | narrow-gauge railway; light railway | |
| 軽捷 | けいしょう | nimble | n2 |
| 軽自動車 | けいじどうしゃ | light motor vehicle (up to 660cc and 64bhp); k-car; kei car | |
| 軽傷 | けいしょう | minor injury | n2 |
| 軽作業 | けいさぎょう | light work; light-duty work | |
| 軽はずみ | かるはずみ | thoughtless; rash; hasty; imprudent | |
| 軽石 | かるいし | pumice stone | |
| 軽挙 | けいきょ | hasty act; rash act | |
| 軽少 | けいしょう | trifling; slight | n2 |
| 軽め | かるめ | on the light side (weight); (relative) lightness | |
| 軽水炉 | けいすいろ | light-water reactor | |
| 負担軽減 | ふたんけいげん | burden reduction; alleviation of a burden | |
| 軽気球 | けいききゅう | dirigible balloon | |
| 軽音楽 | けいおんがく | light music; popular music | |
| 軽油 | けいゆ | diesel oil; diesel fuel; gas oil; light oil | n3 |
| 軽減税率 | けいげんぜいりつ | reduced tax rate | |
| 軽躁 | けいそう | thoughtless; flighty | n1 |
| 軽労働 | けいろうどう | light labor; light labour | |
| 軽量級 | けいりょうきゅう | lightweight class | |
| 重軽傷 | じゅうけいしょう | serious or slight injury; major and minor injuries | |
| 超軽量 | ちょうけいりょう | ultralight; ultralightweight | |
| 軽金属 | けいきんぞく | light metal | |
| 軽佻浮薄 | けいちょうふはく | frivolity; levity; shallowness; superficiality | |
| 軽トラック | けいトラック | minitruck; light truck; small truck; light pickup | |
| 軽挙妄動 | けいきょもうどう | rash and blind act | |
| 軽量形鋼 | けいりょうかたこう | light gauge steel | |
| 軽量鉄骨 | けいりょうてっこつ | light gauge steel | |
| 軽易 | けいい | easy; light; simple | n2 |
| 軽しめる | かろしめる | to belittle; to look down on | |
| 軽信 | けいしん | gullibility | |
| 軽べつ | けいべつ | contempt; scorn; disdain; despising | |
| 軽演劇 | けいえんげき | light comedy | |
| 軽軽 | かるがる | lightly; easily; carelessly | n2 |
| 尻軽 | しりがる | loose; promiscuous; unfaithful; wanton | |
| 軽犯罪 | けいはんざい | minor offence; minor offense; misdemeanor; misdemeanour | |
| 軽乗用車 | けいじょうようしゃ | light passenger car; minicar; subcompact | |
| 軽犯罪法 | けいはんざいほう | Minor Offenses Act | |
| 軽風 | けいふう | light breeze | |
| 軽工業 | けいこうぎょう | light industry | |
| 軽蔑的 | けいべつてき | contemptuous; disdainful; scornful | |
| 軽軽しい | かるがるしい | rash; thoughtless; imprudent; careless | |
| 軽飛行機 | けいひこうき | light aircraft | |
| 軽水 | けいすい | light water | |
| 軽合金 | けいごうきん | light alloy | |
| 軽車両 | けいしゃりょう | light vehicle lacking a motor (e.g. cart, bicycle) | |
| 軽巡洋艦 | けいじゅんようかん | light cruiser | |
| 軽忽 | きょうこつ | indiscreet; thoughtless; absurd; laughable | |
| 軽袗 | カルサン | hakama fashioned in the style of the pantaloons worn by the Portuguese | |
| 軽骨 | きょうこつ | indiscreet; thoughtless; absurd; laughable | |
| 津軽弁 | つがるべん | Tsugaru dialect | |
| 軽四輪 | けいよんりん | four-wheeled light vehicle | |
| 軽戦車 | けいせんしゃ | light tank; whippet tank | |
| 重軽傷者 | じゅうけいしょうしゃ | (seriously and slightly) injured persons; people with serious and minor injures | |
| 減軽 | げんけい | lessening; reduction; alleviation; reduction (of a sentence) | n1 |
| 鉄砲足軽 | てっぽうあしがる | musket-armed foot soldier | |
| 軽罪 | けいざい | minor offense; minor offence; misdemeanor; misdemeanour | n3 |
| 軽目 | かるめ | on the light side (weight); (relative) lightness | |
| 軽音 | けいおん | light music; popular music | |
| 軽鴨 | かるがも | spot-billed duck (Anas poecilorhyncha) | |
| 軽印刷 | けいいんさつ | simple printing (e.g. Risograph, mimeograph printing); quick printing; mimeography | |
| 軽口話 | かるくちばなし | humorous story with a punch line | |
| 軽歩兵 | けいほへい | light infantry | |
| 軽焼き | かるやき | wafer | |
| 軽速歩 | けいはやあし | posting trot (horse gait) | |
| 重軽症 | じゅうけいしょう | serious or slight injury; major and minor injuries | |
| 負荷軽減 | ふかけいげん | load reduction | |
| 軽キャン | けいキャン | light campervan | |
| 軽佻浮華 | けいちょうふか | frivolity; superficiality; fickleness; lack of substance | |
| 軽薄短小 | けいはくたんしょう | small, light and thin (of consumer products, esp. electronics) | |
| 津軽三味線 | つがるじゃみせん | Tsugaru-jamisen (type of shamisen and genre of shamisen music); Tsugaru shamisen | |
| 軽自動車税 | けいじどうしゃぜい | light vehicle tax | |
| 軽愚 | けいぐ | moronity; moron | n2 |
| 軽四 | けいよん | four-wheeled light vehicle | |
| 軽舟 | けいしゅう | light boat; skiff | |
| 剽軽者 | ひょうきんもの | funny person; humorous fellow; joker | |
| 至軽風 | しけいふう | light air (Beaufort scale) | |
| 軽傷者 | けいしょうしゃ | slightly injured person; slightly wounded person; person with minor injuries | |
| 軽火器 | けいかき | light weapon; light firearm | |
| 軽症者 | けいしょうしゃ | person (patient) with minor illness; person showing only minor symptoms (of a disease) | |
| 軽騎兵 | けいきへい | light cavalry | |
| 短慮軽率 | たんりょけいそつ | impulsive and imprudent; rash and unthinking | |
| 簡易軽便 | かんいけいべん | simple, easy, and convenient | |
| 軽妙洒脱 | けいみょうしゃだつ | witty; smart and polished | |
| 軽度懸念 | けいどけねん | least concern (IUCN Red List category) | |
| 軽薄才子 | けいはくさいし | shallow, glib and obsequious person | |
| 軽機 | けいき | light machine gun | n2 |
| 軽騎 | けいき | light cavalry | n2 |
| 軽質 | けいしつ | light (esp. in chemistry) | n1 |
| 軽車 | けいしゃ | quick and lightweight car | n1 |
| 三軽 | さんけい | three famous beauty spots | |
| 軽多 | カルタ | karuta; traditional Japanese playing cards, esp. hyakunin isshu karuta or iroha karuta | |
| 軽巡 | けいじゅん | light cruiser | |
| 軽板 | カルタ | karuta; traditional Japanese playing cards, esp. hyakunin isshu karuta or iroha karuta | |
| 軽浮 | けいふ | fickle; frivolous | |
| 軽羮 | かるかん | steamed sweet bun made from grated yam and rice flour | |
| 軽衫 | カルサン | hakama fashioned in the style of the pantaloons worn by the Portuguese | |
| 軽軟 | けいなん | light and soft (of a wood) | |
| 軽銀 | けいぎん | aluminium; aluminum | |
| 軽雨 | けいう | light rain | |
| 軽震 | けいしん | weak earthquake | |
| フッ軽 | フッかる | quickly adaptable (of a person); pro-active | |
| 剽軽る | ひょうげる | to jest; to joke | |
| 尻軽女 | しりがるおんな | promiscuous woman; wanton girl | |
| 常不軽 | じょうふきょう | Sadaparibhuta (bodhisattva) | |
| 津軽鉱 | つがるこう | tsugaruite | |
| 身軽い | みがるい | nimble; light | |
| 軽カー | けいカー | k-car; kei car; lightweight car with lower registration costs | |
| 軽動詞 | けいどうし | light verb | |
| 軽口咄 | かるくちばなし | humorous story with a punch line | |
| 軽口噺 | かるくちばなし | humorous story with a punch line | |
| 軽歌劇 | けいかげき | light opera | |
| 軽目焼 | カルメやき | honeycomb toffee; sponge toffee; foam candy from heated brown sugar mixed with baking soda | |
| 軽禁固 | けいきんこ | minor imprisonment; imprisonment without hard labor (hard labour) | |
| 軽禁錮 | けいきんこ | minor imprisonment; imprisonment without hard labor (hard labour) | |
| 軽粒子 | けいりゅうし | lepton | |
| 軽蔑語 | けいべつご | pejorative term; derogatory word; invective | |
| 軽質油 | けいしつゆ | light crude oil | |
| 軽野砲 | けいやほう | light field gun | |
| 軽量紙 | けいりょうし | lightweight paper | |
| 軽電機 | けいでんき | (electrical) appliance | |
| 軽食店 | けいしょくてん | snack bar; restaurant serving light meals | |
| 軽飲食 | けいいんしょく | snack; light meal and drink | |
| 軽鬆土 | けいそうど | loam; humus; soil formed from fine volcanic ash | |
| 全軽自協 | ぜんけいじきょう | Japan Mini Vehicles Association | |
| 口が軽い | くちがかるい | having a loose tongue; being talkative; speaking without thinking; being unable to keep a secret | |
| 口の軽い | くちのかるい | loose-tongued; talkative | |
| 尻が軽い | しりがかるい | fast; brisk; careless; thoughtless | |
| 気が軽い | きがかるい | light-hearted; carefree | |
| 直留軽油 | ちょくりゅうけいゆ | straight diesel oil | |
| 腰が軽い | こしがかるい | cheerfully working; hasty | |
| 腰の軽い | こしのかるい | cheerfully working | |
| 足軽大将 | あしがるだいしょう | samurai in command of a troop of foot soldiers | |
| 軽い故障 | かるいこしょう | soft failure | |
| 軽い犯罪 | かるいはんざい | minor offense; minor offence | |
| 軽んじる | かろんじる | to look down on; to make light of | |
| 軽機関銃 | けいきかんじゅう | light machine gun | |
| 軽減措置 | けいげんそち | relief measure; mitigation measure | |
| 軽爆撃機 | けいばくげきき | light bomber | |
| 軽竜騏兵 | けいりゅうきへい | (Royal) light cavalry | |
| 軽量端末 | けいりょうたんまつ | thin client | |
| 軽飲食店 | けいいんしょくてん | cafe; eatery | |
| 酌量減軽 | しゃくりょうげんけい | reduction of punishment in the light of extenuating circumstances | |
| 尻の軽い女 | しりのかるいおんな | wanton girl | |
| 軽い気持ち | かるいきもち | casual; doing something without taking it too seriously | |
| 軽口を叩く | かるくちをたたく | to crack jokes | |
| 軽水原子炉 | けいすいげんしろ | light-water nuclear reactor | |
| 軽油引取税 | けいゆひきとりぜい | diesel oil delivery tax; light oil delivery tax | |
| 軽トラサウナ | けいトラサウナ | sauna mounted on a small truck | |
| 軽度認識障害 | けいどにんしきしょうがい | mild cognitive impairment; MCI | |
| 軽量鉄骨構造 | けいりょうてっこつこうぞう | light gauge steel construction | |
| 加圧水型軽水炉 | かあつすいがたけいすいろ | pressurized light-water reactor | |
| 軽金属製品協会 | けいきんぞくせいひんきょうかい | Aluminium Products Association | |
| 鼎の軽重を問う | かなえのけいちょうをとう | to call someone's ability into question; to doubt a ruler's competence | |
| 軽自動車検査協会 | けいじどうしゃけんさきょうかい | Light Motor Vehicle Inspection Organization | |
| かなえの軽重を問う | かなえのけいちょうをとう | to call someone's ability into question; to doubt a ruler's competence | |
| フットワークが軽い | フットワークがかるい | quickly adaptable; pro-active | |
| 軽キャンピングカー | けいキャンピングカー | light campervan | |
| 軽輸送ヘリコプター | けいゆそうヘリコプター | light transport helicopter | |
| 全国軽自動車協会連合会 | ぜんこくけいじどうしゃきょうかいれんごうかい | Japan Mini Vehicles Association | |
| 存在の耐えられない軽さ | そんざいのたえられないかるさ | The Unbearable Lightness of Being (1984 novel by Milan Kundera); Nesnesitelná lehkost bytí | |
| 一寸の光陰軽んずべからず | いっすんのこういんかろんずべからず | there isn't a moment to be wasted; every moment is precious; make hay while the sun shines | |
| 一寸の光陰軽んず可からず | いっすんのこういんかろんずべからず | there isn't a moment to be wasted; every moment is precious; make hay while the sun shines | |