adverb, adverb taking the と particle

Usually written with kana alone.
  1. indiscriminately, blindly, at random, recklessly, thoughtlessly, excessively, profusely.

adjectival noun or quasi-adjective

Usually written with kana alone.
  1. indiscriminate, random, excessive.

Variations

Pronunciation Kanji Kana Is Common
 
 
 
やたら
矢鱈 やたら