(つい)やす

ついやす
verb (godan)
to spend, to devote (time, money, effort)
1. to spend, to devote, to expend
To use time, money, or effort for a purpose. Often implies a significant or substantial amount.
時間(じかん)(つい)やす。
To spend time.
研究(けんきゅう)(おお)くの年月(ねんげつ)(つい)やした。
I devoted many years to research.
この計画(けいかく)莫大(ばくだい)費用(ひよう)(つい)やしたが、期待(きたい)した成果(せいか)()られなかった。
We spent an enormous amount of money on this project, but didn't get the expected results.

(つい)やす implies spending a significant or noteworthy amount.

TRANSITIVITY:

  • Type: Transitive (他動詞(たどうし))
  • Pattern: 〜に…を(つい)やす (to spend ... on ~)

COMMON COLLOCATIONS:

  • 時間(じかん)(つい)やす: to spend time
  • (かね)(つい)やす: to spend money
  • 労力(ろうりょく)(つい)やす: to expend effort
  • 年月(ねんげつ)(つい)やす: to spend years

SIMILAR WORDS:

  • (つい)やす: to spend/devote (implies significance, often written style)
  • 使(つか)う: to use, to spend (general, everyday)
  • かける: to spend (time/money, neutral)