勇猛|ゆうもうyuumou[0]heiban (flat)

1. na-adjective, noundaring; brave; bold; valiant; intrepid; dauntless

• Synonym大胆だいたんNeutralBold; common in everyday speech, it stresses daring to take risks and acting decisively, not necessarily courage in battle.
• Synonym勇敢ゆうかんNeutralBrave; an everyday word stressing refusal to be daunted by difficulty, milder and less fierce than 「勇猛」.
• Synonym勇ましいいさましいNeutralValiant; stresses charging straight ahead or a stirring, rousing feel, so it is more about the atmosphere than 「勇猛」.
• Synonym勇壮ゆうそうWrittenWritten; valiant and high-spirited, typically describing scenes rather than a person's courage.
• Synonym不敵ふてきNeutralFearless; stresses being afraid of nothing, and can also carry a defiant, ferocious tinge, as in 「不敵な笑み」.
• Synonym壮烈そうれつWrittenWritten; intense, heroic and tragic, as in 「壮烈な戦い」 or 「壮烈な最期」, with a more sombre grandeur than 「勇猛」.
• Synonym果敢かかんWrittenWritten; resolute and bold, leaning toward decisiveness in action rather than fierce bravery.
• Synonym勇ゆうWrittenWritten; courage itself as a noun, often in set phrases like 「勇を鼓す」.
• Synonym雄々しいおおしいNeutralManly and valiant; stresses masculine courage, with a more overtly male, heroic beauty than 「勇猛」.
• Synonym剛勇ごうゆうWrittenFierce, stalwart bravery; written and rarely used, close to 「勇猛」 in sense.
• Synonym豪胆ごうたんWrittenWritten; bold and unflinching, leaning more toward sheer nerve than the fierce bravery of 「勇猛」.
• Synonym勇烈ゆうれつWrittenFiery, unflinching bravery; written and rarely used, close to 「勇猛」 in sense.
• Synonym大胆不敵だいたんふてきNeutralA four-character compound for utter fearlessness; bolder than 「勇猛」 and tinged with recklessness.
• Synonym勇邁ゆうまいWrittenWritten and rare; bravely pressing forward in the face of danger.
• Synonym勇武ゆうぶWrittenWritten and rare; brave and skilled in arms, leaning toward martial prowess rather than everyday courage.
• Related壮絶そうぜつWrittenWritten; extremely fierce and intense, mostly describing a scene rather than a person's courage, and more extreme than 「勇猛」.
• Related豪猛ごうもうWrittenFerocious and powerful; written and rarely used, leaning toward physical might rather than courage of spirit.
• Related放胆ほうたんWrittenWritten and rare; bold in going ahead and doing something without holding back.
• Related向こう見ずむこうみずCasualColloquial; reckless and heedless of consequences, with a negative slant, so it differs from 「勇猛」.
• Related凛々しいりりしいNeutralGallant and dignified in look; describes a person's bearing rather than their bravery, more restrained than 「勇猛」.
• Related野太いのぶといCasualColloquial; brazen, thick-skinned daring with a negative slant; also describes a deep, rough voice.
• Related冒険的ぼうけんてきNeutralAdventurous; stresses willingness to take risks, describing a manner of acting rather than bravery itself.
• Antonym臆病おくびょうNeutralTimid and easily frightened; the opposite of the fearlessness of 「勇猛」.
• Antonym柔弱にゅうじゃくWrittenWritten; weak and spineless, lacking in vigor — the opposite of 「勇猛」.

Use 「勇猛」 for fierce, fearless bravery; it belongs to written or formal prose and appears in set phrases like 「勇猛果敢」 and 「勇猛な武将」. In everyday speech prefer 「勇敢」, milder and about facing difficulty, or 「勇ましい」, stirring and forward-charging; 「大胆」 covers boldness in taking risks. 「不敵」 adds a defiant edge, 「壮烈」 tragic heroism, 「壮絶」 the sheer intensity of a scene, 「果敢」 decisiveness, and 「向こう見ず」 reckless disregard of consequences. The opposites are 「臆病」 (timid) and 「柔弱」 (weak).

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

1. 勇気ゆうきがあって恐おそれないこと。