Kanji Library
AdjectivesJLPT N1

貧弱 (hinjaku) conjugation

JLPT N1 na-adjective (形容動詞)

poor, meager, insubstantial

貧弱 (ひんじゃく, hinjaku) is a na-adjective. Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun.

Conjugation table

FormPlain (casual)Polite (~です)When you use it
Dictionary / plain
hinjakuda

hinjakudesu
The form you look up. Also the casual “is ~”.
Negative
hinjakujanai

hinjakujanaidesu
“is not ~”.
Past
hinjakudatta

hinjakudeshita
“was ~”.
Past negative
hinjakujanakatta

hinjakujanakattadesu
“was not ~”.
Te-form
hinjakude
Links to the next clause: “~ and …”.
Adverb
hinjakuni
Turns it into “~ly”, describing a verb.
Before a noun
hinjakuna〜
How it attaches when it modifies a noun.
Conditional (~ば/なら)
hinjakunara
“if it is ~”.
Conditional (~たら)
hinjakudattara
“if / when it is ~”. The everyday conditional.
Become (~なる)
hinjakuninaru

hinjakuninarimasu
“becomes ~” — the change-of-state form.
Too much (~すぎる)
hinjakusugiru

hinjakusugimasu
“too ~”.
Looks ~ (~そう)
hinjakusou

hinjakusoudesu
“looks / seems ~” from appearance.

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Why it conjugates this way

Na-adjectives behave like nouns. The word itself never changes — you conjugate だ/です after it, and you need な to put it in front of a noun. See the full rules in the adjective conjugation guide.

Kanji in this word

Other JLPT N1 adjectives

All JLPT N1 adjectives →