野心|やしんyashin[1]atamadaka (head-high)

1. nounambition; aspiration
   彼かれは野心やしんがあるために熱心ねっしんに働はたらいた。↗

   His ambition made him work hard.
2. nounsinister designs; treachery

• Synonym野望やぼうNeutralAn excessive desire or design to get more than befits one's station, often negative; 「野心」 can also mean the drive to break new ground in art and the like.
• Synonym大志たいしNeutralA lofty ambition, positive, as in 「大志を抱く」; 「野心」 has a negative edge.
• Synonym雄心ゆうしんWrittenWritten word for heroic ambition, positive in tone; 「野心」 often carries a negative shade.
• Synonym雄志ゆうしWrittenWritten word for a grand, valiant ambition; rare. 「野心」 has a negative feel.
• SynonymアンビションNeutralLoanword for ambition or aspiration; rare in actual use — 「野心」 is the usual choice.
• Related宿願しゅくがんWrittenA long-cherished wish; the emphasis is on the wish itself, while 「野心」 stresses the desire to expand one's power or standing.
• Related大願たいがんWrittenA grand wish, or the Buddha's vow to save all beings; 「野心」 is about personal ambition.
• Related宿望しゅくぼうWrittenWritten word for a long-cherished desire; rare. 「野心」 carries the nuance of wanting to expand one's power or standing.
• Related大望たいもうWrittenWritten word for far-reaching ambition, positive; 「野心」 is often derogatory.
• Antonym無欲むよくNeutralFree of desire and greed; the opposite of 「野心」 in its ambitious, power-hungry sense.

Use 「野心」 for a strong desire to expand one's status or power — often negative, as in 「野心家」 — and also for the drive to break new ground in art and the like. For lofty, positive ambition say 「大志」 or 「大望」; for excessive designs, 「野望」; for a long-cherished wish, 「宿願」; for freedom from desire, 「無欲」.

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

1. 密ひそかに抱いだいている大おおきな望のぞみ。野望やぼう。
2. 芸術げいじゅつなどで、新あたらしい境地きょうちを打ち出うちだそうとする意欲いよく。
3. 馴なれ服ふくさず害がいを及およぼそうとする心こころ。