How to say "deliberate" in Japanese

• 悠長ゆうちょうCommon
  na-adjective, nounCovers the adjective sense of 'deliberate' meaning unhurried or slow-paced. It suggests an easygoing, take-one's-time manner, and often carries a faint nuance of being overly slow for the situation.
  決けっして悠長ゆうちょうな仕事しごとではない。↗

  This certainly isn't a job where you can take it easy.
• 意識的いしきてきCommon
  na-adjectiveCovers 'deliberate' in the sense of consciously done rather than accidental or automatic. Use it when you want to say an action, choice, or style was made with awareness and on purpose.
  彼かれが不作法ぶさほうなのは意識的いしきてきであって、偶発ぐうはつ的てきではなかった。↗

  His rudeness was conscious, not accidental.
• 作為的さくいてきCommon
  na-adjectiveAlso covers the 'intentional' sense, but with a stronger nuance of something contrived or artificial rather than natural. It often implies the act was deliberately arranged, sometimes with a critical overtone.
• 慎重しんちょうJLPT N3approx.Common
  na-adjective, nounCovers 'deliberate' as in careful, cautious, or prudent—thinking things through before acting. Use it for decisions, handling of matters, or behavior characterized by weighing things carefully.
  裁判官さいばんかんには慎重しんちょうさがなくてはならない。↗

  Discretion is proper to judges.
• 諮るはかるJLPT N1approx.Common
  godan verb, transitive verbThe verb sense of 'deliberate': to confer or discuss a matter with others in order to reach a decision, typically consulting someone such as a committee, expert, or superior.
  意志いし疎通そつうのはかり方かたは、文化ぶんかによって決きまるからである。↗

  The methods of communication are determined by their cultures.

「deliberate」as an adjective means unhurried (悠長), intentional (意識的, 作為的), or careful (慎重); as a verb meaning to discuss or weigh a matter, use 「諮る」.

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

• 悠長ゆうちょうleisurely
• 意識的いしきてきconscious
• 作為的さくいてきintentional
• 慎重しんちょうcareful
• 諮るはかるto consult with
• 念入りねんいりcareful
• 深謀しんぼうdeliberate
• 論じ合うろんじあうto debate
• かけるto argue (in court)