noun
Abbreviation of 形容動詞, used in Japanese dictionary part-of-speech tags. Refers to words that behave like adjectives but take な or だ, such as 静か (quiet) or 元気 (energetic).
See also: 形容動詞
辞書では「静か」は形動と表示される。
In dictionaries, 'shizuka' is marked as an adjectival noun.
形動は「な形容詞」とも呼ばれる。
Adjectival nouns are also called 'na-adjectives'.