(たよ)りない

たよりない
adjective (i)
unreliable; undependable; flimsy
Conjugation
AffirmativeNegative
Present(たよ)りない(たよ)りなくない
Past(たよ)りなかった(たよ)りなくなかった
て form(たよ)りなくて(たよ)りなくなくて
Adverbial(たよ)りなく
Conditional ば(たよ)りなければ(たよ)りなくなければ
Conditional たら(たよ)りなかったら(たよ)りなくなかったら
1. unreliable; undependable; unsteady
Describes a person, thing, or situation that does not inspire confidence and cannot be counted on.
(かれ)はちょっと(たよ)りない。
He's a bit unreliable.
(たよ)りない返事(へんじ)不安(ふあん)(かん)じた。
I felt uneasy at the wishy-washy reply.
入社(にゅうしゃ)したばかりの(ころ)(たよ)りなく()えたが、(いま)ではすっかり一人前(いちにんまえ)だ。
He seemed unreliable when he first joined the company, but now he's fully competent.

An i-adjective formed from (たよ)り (reliance) + ない (not). Literally "not reliable."

FORMS:

  • Adverbial: (たよ)りなく
  • Noun form: (たよ)りなさ

COMMON COLLOCATIONS:

  • (たよ)りない(ひと): an unreliable person
  • (たよ)りない返事(へんじ): a vague/uncertain reply
  • (たよ)りなく()える: to look unreliable
  • (たよ)りない足取(あしど)り: unsteady steps

CONTRAST:

  • (たよ)もしい: reliable, reassuring, dependable (opposite)
  • (たよ)りになる: to be someone you can count on
  • (たよ)りない: undependable, inspiring no confidence

NOTE:
Often used to describe people who seem inexperienced or lacking confidence, not necessarily those who break promises.