苦労・苦勞|くろうkurou[1]atamadaka (head-high)
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- noun, suru verb, transitive verb, intransitive verbtrouble; hardship; difficulty; labour; labor; toil; painsせっかくの苦労もあだになった。↗All my pains went for nothing.
- noun, suru verb, transitive verb, intransitive verbanxiety; worry; concern; cares
Conjugation
| Dictionary form | 苦労する(くろうする) |
|---|---|
| Polite (masu) | 苦労します(くろうします) |
| Negative (nai) | 苦労しない(くろうしない) |
| polite (masen) | 苦労しません(くろうしません) |
| classical zu / nu | 苦労せず・苦労せぬ(くろうせず・くろうせぬ) |
| Past (ta) | 苦労した(くろうした) |
| polite (mashita) | 苦労しました(くろうしました) |
| Past negative (nakatta) | 苦労しなかった(くろうしなかった) |
| polite (masen deshita) | 苦労しませんでした(くろうしませんでした) |
| Te form | 苦労して(くろうして) |
| Potential | 苦労できる(くろうできる) |
| Passive | 苦労される(くろうされる) |
| Causative | 苦労させる(くろうさせる) |
| Causative passive | 苦労させられる(くろうさせられる) |
| Conditional (ba) | 苦労すれば(くろうすれば) |
| tara | 苦労したら(くろうしたら) |
| Volitional | 苦労しよう(くろうしよう) |
| polite (mashou) | 苦労しましょう(くろうしましょう) |
| Imperative | 苦労しろ(くろうしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym労苦ろうくWrittenWritten word for toil and hardship, often when thanking or comforting someone for their labours, as in 「労苦をねぎらう」; 「苦労」 is the everyday choice.
- Synonym苦心くしんNeutralRacking your brains to work something out or perfect it, as in 「苦心の作」; 「苦労」 is broader, covering mental and physical strain alike.
- Related奮闘ふんとうNeutralStriving or battling on with all one's might; 「苦労」 centres on the hardship itself rather than the fighting spirit.
- Related努力どりょくNeutralActively putting in effort, with a positive ring; 「苦労」 stresses the hardship and strain you go through.
- Related労力ろうりょくNeutralThe labour or effort something costs, as in 「労力を惜しまない」; 「苦労」 stresses how the hardship feels.
- Related尽力じんりょくFormalFormal word for doing one's utmost, as in 「ご尽力」 or 「目標達成に尽力する」; 「苦労」 centres on the strain endured.
- Related四苦八苦しくはっくNeutralFour-character idiom for being hard pressed or at your wits' end; more exaggerated than 「苦労」.
- Related骨折りほねおりNeutralTaking pains and toiling away at something, as in 「骨折り損」; 「苦労」 covers a wider range of hardship.
- Related辛労しんろうWrittenWritten and rarely used word for toil; in everyday speech 「苦労」 is the natural choice.
- RelatedあがきNeutralDesperate struggling, often futile, as in 「最後の足掻き」; 「苦労」 need not end in wasted effort.
- Antonym安楽あんらくNeutralAntonym on the hardship–ease axis: comfort and ease, a life free of toil.
- Antonym楽らくNeutralThe everyday antonym: ease and comfort, when things take no effort or trouble.
Use 「苦労」 for the hardship, mental or physical, of doing something — it is the everyday word. Choose 「苦心」 for racking your brains over something, 「努力」 for positive effort, 「尽力」 for formal wholehearted work, 「奮闘」 for fighting all-out, and 「楽」 for the opposite, an easy time.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


