重い|おもいomoi[0]heiban (flat)

1. i-adjectiveheavy; weighty
   体積たいせきが大おおきいからといって常つねに重量じゅうりょうも重おもいとは限かぎらない。↗

   Great bulk does not always mean great weight.
2. i-adjectiveheavy (feeling); depressed; gloomy; blue; uneasy
   前途ぜんとに苦難くなんがあるという思おもいで彼かれの心こころは重おもかった。↗

   A sense of trouble ahead oppressed his spirits.
3. i-adjectiveslow; sluggish; lumbering; ponderous; clumsy
4. i-adjectiveimportant (position, responsibility, etc.); serious; grave
   私はそんな重おもい責任せきにんを引き受ひきうけたくない。↗

   I don't like to take on such heavy responsibilities.
5. i-adjectiveserious (punishment, illness, etc.); severe; critical
   「彼かれの病気びょうきは重おもいのかな」「そうでないといいね」↗

   "Is he seriously ill?" "I hope not."
6. i-adjectivesolid; established; dignified; sensible

• Synonym重たいおもたいCasualColloquial word for something heavy and weighty; carries a stronger sense of actual heft than 「重い」, as in 「重たい荷物」.
• SynonymヘビーCasualLoanword for heavy weight, large volume, or high intensity, as in 「ヘビーユーザー」; 「重い」 covers more uses and is the everyday default.
• Synonym重苦しいおもくるしいWrittenMostly for oppressive, stifling moods or atmospheres, as in 「重苦しい空気」; for clothes or gear it means heavy in an uncomfortable, weighing-down way, not just weight.
• Synonym重めおもめNeutralMeans somewhat heavier than usual, as in 「重めの料理」 or 「重めの処分」; 「重い」 states weight directly, while 「重め」 is relative to a normal standard.
• Related深刻しんこくWrittenFor serious, grave problems or situations, as in 「深刻な問題」; stresses the severity of a situation, while 「重い」 can also describe physical weight.
• Related憂鬱ゆううつWrittenFor low, gloomy spirits, as in 「憂鬱な月曜日」; focuses on mood, while 「重い」 can describe a heavy heart as well as physical weight.
• RelatedシリアスCasualLoanword for serious, earnest matters with no joking around, as in 「シリアスな話」; 「重い」 describes a weighty topic with a sense of pressure.
• RelatedうっとうしいCasualAn everyday word for dreary, overcast weather or anything that bothers you, as in 「うっとうしい雨」; adds an irritation and dislike that 「重い」 lacks.
• Related陰気いんきNeutralCommon word for a gloomy, uncheerful personality or atmosphere, as in 「陰気な人」, the opposite of 「陽気」; it never refers to physical weight.
• Related重たげおもたげWrittenBookish word for a heavy-looking appearance, as in 「重たげな瞼」; it is about the impression given, while 「重い」 states actual weight.
• Related陰鬱いんうつWrittenStrongly literary word for gloomy, oppressive moods or skies, as in 「陰鬱な表情」; in everyday speech 「重い」 is enough for a heavy heart.
• Related気鬱きうつWrittenWritten word for pent-up, gloomy feelings, used only rarely; in daily conversation say 「気が重い」 or 「憂鬱」.
• Related暗鬱あんうつWrittenRare written word for dark, gloomy moods or outlooks; in everyday speech use 「暗い」 or 「重い」.
• Antonym軽いかるいNeutralThe direct opposite of 「重い」: light in weight, and also mild or easy in degree, as in 「軽い病気」 versus 「重い病気」.

Use 「重い」 by default for weight, serious degrees and heavy feelings. 「重たい」 adds colloquial heft, 「重苦しい」 suits oppressive air, 「深刻」 grave situations, 「憂鬱」 low spirits. 「鬱陶しい」 adds irritation and 「陰気」 describes a cheerless person or mood; 「陰鬱」 is literary, and 「気鬱」「暗鬱」 are rare written words.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 下したに向むけて引ひかれる力ちからが強つよいもののさま。重量じゅうりょうが大おおきい。質量しつりょうが大おおきい。
2. うごかすのにより強つよい力ちからを必要ひつようとする。
3. （重おもいものは動うごかしづらいことから）動うごきが遅おそい。
4. 精神的せいしんてきに負荷ふかがかかる。気きが進すすまない。
5. 深刻しんこくである。
6. 無視むしできない。重要じゅうようである。価値かちの有ある。
7. 困難こんなんだ。（病気びょうきなどが）悪化あっかしている。