1
ad libitum(expression, adjective, adverb, informal, unplanned)
1
as one thinks best(expression, informal, impulsive, unplanned, extemporaneous)
1
as one wishes(expression, informal, impulsive, unplanned, extemporaneous)
1
at first glance(expression, free, informal, snap, unrehearsed)
1
at will(expression, informal, impulsive, unplanned, extemporaneous)
1
automatic(free, casual, impulsive, spontaneous, unprepared)
1
autoschediastic(free, casual, impulsive, spontaneous, unprepared)
1
bum(adjective, fake, counterfeit, sham, phony)
1
by ear(expression, free, informal, casual, unrehearsed)
1
casual(free, impulsive, spontaneous, unprepared, impromptu)
1
conceived
1
contrived(adjective, fake, unusual, strange, counterfeit)
1
cooked-up(adjective, fake, false, counterfeit, sham)
1
created(untrue, fabulous, developed, fictitious, legendary)
1
delusive(adjective, fake, false, counterfeit, fantastic)
1
delusory(untrue, developed, fictitious, invented, fabricated)
1
dishonest(adjective, fake, false, counterfeit, sham)
1
ersatz(adjective, fake, false, unusual, strange)
1
expedient(free, informal, casual, impulsive, snap)
1
extemporaneous(adjective, adverb, impulsive, spontaneous, impromptu)
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APASmart Define. (2015). made-up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/made-up/thesaurus/synonyms
ChicagoSmart Define. 2015. "made-up thesaurus" https://smartdefine.org/made-up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, made-up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/made-up/thesaurus/synonyms>.
MLASmart Define. "made-up thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/made-up/thesaurus/synonyms>