苦労・苦勞|くろうkurou[1]atamadaka (head-high)

JLPT N3approx.Common
Which spelling to use
苦労苦労 is the most common form and the usual choice for learners. Use it when writing the word meaning trouble, hardship, difficulty, or labour.
苦勞苦勞 is a less common variant written with outdated kanji. Learners should generally use 苦労 instead, but may encounter 苦勞 in written material.
Definitions
  1. noun, suru verb, transitive verb, intransitive verbtrouble; hardship; difficulty; labour; labor; toil; pains
    せっかくの苦労くろうもあだになった。↗
    All my pains went for nothing.
  2. 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.

Synonyms & antonyms
  • 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

Japanese definitions
  1. 何なんかをするのに精神的せいしんてき・肉体的にくたいてきに多おおくの労力ろうりょくを費ついやすこと。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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