Synonyms for spontaneous |

Synonyms for spontaneous

1. spontaneous (a.)

happening or arising without apparent external cause

Synonyms: Antonyms:

2. spontaneous abortion (n.)

a natural loss of the products of conception

Synonyms: Antonyms:

3. spontaneous combustion (n.)

ignition of a substance (as oily rags) resulting from an internal oxidation process


4. ad-lib (s.)

said or done without having been planned or written in advance

Synonyms: Antonyms: