(ねば)(づよ)

ねばりづよい
i-adjective
tenacious; persistent; persevering
1. tenacious; persistent; persevering; dogged
Not giving up easily; continuing to try despite difficulties or opposition.
(ねば)(づよ)交渉(こうしょう)契約(けいやく)()った。
We secured the contract through persistent negotiation.
(かれ)(ねば)(づよ)練習(れんしゅう)(つづ)けた。
He persistently continued practicing.
成功(せいこう)するには(ねば)(づよ)さが必要(ひつよう)だ。
Tenacity is necessary for success.
(ねば)(づよ)さ = tenacity (noun form)

FORMATION:
(ねば)り (stickiness) + (づよ)い (strong)

The image is of something sticky that won't let go.

FORMS:

  • (ねば)(づよ)くない - not tenacious (negative)
  • (ねば)(づよ)くて - tenacious and... (te-form)
  • (ねば)(づよ)かった - was tenacious (past)
  • (ねば)(づよ)く + verb - tenaciously (adverb)
  • (ねば)(づよ)さ - tenacity (noun)

COLLOCATIONS:

  • (ねば)(づよ)交渉(こうしょう)する - to negotiate persistently
  • (ねば)(づよ)説得(せっとく)する - to persuade persistently
  • (ねば)(づよ)努力(どりょく) - persistent effort

SIMILAR WORDS:

  • 我慢強(がまんづよ)い - patient, enduring (emphasizes bearing hardship)
  • しつこい - persistent (often negative)
  • (あきら)めない - not giving up