やたら・矢鱈yatara

1. adverb (with と)indiscriminately; blindly; at random; recklessly; thoughtlessly; excessively; profusely
   上役うわやくにやたらにぺこぺこするな。↗

   Don't be subservient to your boss.

   彼女かのじょはやたらと靴くつを買かう。↗

   She buys shoes indiscriminately.
2. na-adjectiveindiscriminate; random; excessive

• SynonymむやみNeutralVery close to 「やたら」: acting without thinking or to excess. 「やたら」 is more colloquial and can also mean 'a lot' in number or amount.
• SynonymむやみやたらNeutralAn emphatic form meaning indiscriminate and excessive; stronger in tone than 「やたら」 alone.
• Related無謀むぼうNeutralMeans reckless and heedless of the consequences, as in 「無謀な計画」. 「やたら」 stresses doing things wildly.
• Related軽々しいかるがるしいNeutralDescribes rash, frivolous conduct; the stress is on the attitude shown. 「やたら」 stresses excess.
• Related浅はかあさはかNeutralMeans shallow, short-sighted thinking. 「やたら」 stresses doing things wildly.
• Related軽率けいそつNeutralMeans rash and lacking consideration, and leans toward written use; 「やたら」 leans colloquial.
• Related不見識ふけんしきWrittenMeans lacking judgment or discretion, so that one's behavior looks bad. 「やたら」 stresses doing things wildly.
• Related軽はずみかるはずみNeutralRefers to acting rashly on the spur of the moment, as in 「軽はずみな行動」.
• RelatedそそっかしいNeutralDescribes a hasty, scatterbrained person who is careless and often slips up. 「やたら」 stresses excess.
• Related無分別むふんべつNeutralMeans not telling right from wrong, lacking judgment. 「やたら」 stresses doing things indiscriminately or to excess.
• Related無考えむかんがえNeutralDescribes acting without thinking; the emphasis is on lack of consideration. 「やたら」 stresses doing things wildly.
• Related無思慮むしりょWrittenA written, formal word for thoughtlessness. 「やたら」 stresses excess.
• Related心無いこころないNeutralMeans inconsiderate and cold-hearted; its focus differs from 「やたら」.
• RelatedちゃらんぽらんCasualColloquial for slapdash, irresponsible behavior. 「やたら」 stresses doing things indiscriminately.
• Related軽忽きょうこつWrittenA rare written word for rashness; 「軽率」 is the usual word.
• RelatedうかつNeutralMeans careless or oblivious through inattention, as in 「迂闊だった」. 「やたら」 stresses doing things wildly.
• Related向こう見ずむこうみずNeutralMeans charging ahead without considering the consequences; reckless. 「やたら」 stresses wildness and excess.

Use 「やたら」 for doing something indiscriminately, to excess, or at every turn, as in 「やたらと高い」. For acting without discrimination, say 「むやみ」; for recklessness, 「無謀」; for rashness, 「軽率」; for carelessness, 「迂闊」. The other words here cover narrower shades of thoughtless or foolhardy behavior.

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

1. 度どを越こえている様子ようす。
2. これと定さだめず手当てあたり次第しだいな様子ようす。