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1)
#127

Inflections of 捷い

Common
Meaning
    1. fast; quick; rapid; swift; speedy; brisk; prompt
      esp. 速い
      Children grow very quickly.
    2. early; soon; earlier than usual
      Only applies to 早い
      Spring has come early this year.
    3. premature; too soon; too early
      Only applies to 早い
      It is premature to discuss it now.
    4. easy; simple; quick; fast
      esp. 早い
    5. as soon as ...; the moment ...; the instant ...
      as ...するが早いか or ...するより早く
Forms
2)
#92,396

Inflections of 捷い

Meaning
    1. smart; clever; sharp; shrewd
    2. agile; nimble; quick
Forms

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