| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | impulsive, willing |
| Synonyms: | ad-lib, automatic, break loose, casual, down, extemporaneous, extempore, free, free spirited, from the hip, impetuous, impromptu, improvised, inevitable, instinctive, involuntary, irresistible, natural, off top of head, off-the-cuff, offhand, simple, unartful, unavoidable, unbidden, uncompelled, unconscious, unconstrained, uncontrived, uncontrolled, unforced, unintentional, unplanned, unpremediated, unprompted, unsophisticated, unstudied, up front, voluntary |
| Antonyms: | deliberate, intended, planned, premeditated |