How to say "readily" in Japanese

Choosing the right word
  • あっさりJLPT N1approx.Common
    adverb (with と), suru verbCovers 'readily' as in doing or accepting something lightly, without fuss or hesitation — readily agreeing, giving up, or refusing flatly. The nuance is clean lightness, with no lingering attachment or deep involvement.
    彼かれはあっさり罪つみを白状はくじょうした。↗
    He confessed his crime frankly.
  • なかなかJLPT N4approx.Common
    adverb, na-adjectiveIts 'readily' sense is essentially negative: with a negative it means something does not readily happen or get done ('not readily', 'with difficulty'). On its own it means 'quite, considerably', not 'readily'.
    あいつは、なかなかいい奴やつだぜ!↗
    He is a good joker.
  • adverb (with と)Covers 'readily' as in doing something smoothly and without stumbling — speaking, reading, or writing that flows easily. The nuance is effortless, unbroken flow rather than decisiveness.
    彼かれはなんて英語えいごをすらすら話はなすだろう。↗
    How fluently he speaks English!
  • 直にじきにCommon
    adverbA marginal match: 直に is read じきに and chiefly means 'soon, before long', so it is seldom the word you want for 'readily' in any sense.

Choose 「スラスラ」 for doing something smoothly without stumbling, 「あっさり」 for acting lightly without hesitation or fuss, 「なかなか」 for the negative 'not readily', and 「直に」 almost never — it chiefly means 'soon'.

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

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

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