Synonyms|264Antonyms|20|Broader|2Narrower|0Related|11

68 entries under natural topic. ×

1
casual(adjective, simple, impulsive, willing)
1
chosen(adjective, free, deliberate, willing)
1
deliberate(adjective, free, keen, happy, agreeable)
1
designful(adjective, free, deliberate, witting)
1
down(adjective, simple, casual, impulsive)
1
elected(adjective, free, deliberate, willing)
1
extemporaneous(adjective, simple, casual, impulsive)
1
extempore(adjective, simple, casual, impulsive)
1
free-willed(adjective, free, deliberate, witting)
1
free spirited(expression, adjective, simple, casual)
1
freely(adjective, free, deliberate, willing)
1
from the hip(expression, adjective, idiom, simple)
1
honorary(adjective, free, deliberate, willing)
1
impetuous(adjective, simple, casual, impulsive)
1
impromptu(adjective, simple, casual, impulsive)
1
improvised(adjective, simple, casual, impulsive)
1
impulsive(adjective, simple, casual, willing)
1
inevitable(adjective, simple, casual, impulsive)
1
intentional(adjective, free, keen, happy, agreeable)
1
involuntary(adjective, simple, casual, impulsive)
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ChicagoSmart Define. 2015. "unbidden thesaurus" https://smartdefine.org/unbidden/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unbidden thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unbidden/thesaurus/synonyms>.
MLASmart Define. "unbidden thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unbidden/thesaurus/synonyms>