spontaneous

Fetched 2026-10-26 (cache).

Synonyms: unspontaneous

Antonyms: unspontaneous

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Self-directed; happening or acting without external [[cause]] or [[instigation]]; proceeding from natural feeling, temperament, or momentary impulse.
2. Done by one's own [[free]] [[choice]], or without [[planning]].
3. Controlled and directed internally; self-active; spontaneous movement characteristic of living things.
4. Produced without being planted or without human [[cultivation]] or [[manual labor|labor]].
5. Sudden, without warning.
6. Said or done without prior planning or prior writing.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.