What does "quasi-adjective" mean?

An adjectival noun, a specific Japanese part of speech. Some of these words can be used as regular nouns, and all can be used as adjectives when followed by the postfix な (na), in contrast to Japanese common adjectives, 形容詞 (keiyōshi). In Japanese grammar, these words are categorized as 形容動詞 (keiyō dōshi).

What is a synonym for "quasi-adjective"?

Common synonyms include: adjectival noun.

Quasi-adjective

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An adjectival noun, a specific Japanese part of speech. Some of these words can be used as regular nouns, and all can be used as adjectives when followed by the postfix な (na), in contrast to Japanese common adjectives, 形容詞 (keiyōshi). In Japanese grammar, these words are categorized as 形容動詞 (keiyō dōshi).

Synonyms

All synonyms

adjectival noun

Etymology

From quasi- + adjective.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.