()てしない

はてしない
i-adjective
boundless; endless; limitless
descriptive
Conjugation
AffirmativeNegative
Present()てしない()てしなくない
Past()てしなかった()てしなくなかった
て form()てしなくて()てしなくなくて
Adverbial()てしなく
Conditional ば()てしなければ()てしなくなければ
Conditional たら()てしなかったら()てしなくなかったら
1. boundless; endless; limitless; without end
Describes something that has no apparent end or limit, either literally (in physical extent) or figuratively (in duration, scope, or intensity).
Boundless land stretches out.
An endless debate continues.
宇宙(うちゅう)()てしない(ひろ)がり想像(そうぞう)する自分(じぶん)(ちい)ささ(かん)じる
When I imagine the boundless expanse of the universe, I feel how small I am.

Derived from ()てる (to end, to be exhausted) + しない (not). Literally 'does not end.' Despite being formed from a verb, it functions as an i-adjective and modifies nouns directly.

Common collocations

Similar words

  • ()わりない: never-ending — more everyday and conversational; ()てしない is more literary and evocative
  • (かぎ)りない: limitless, boundless — very similar; slightly more formal
  • 永遠(えいえん): eternal — focuses on time; ()てしない can apply to space, time, or abstract concepts
  • 際限(さいげん)ない: unlimited — more formal; often used for quantities or processes