1
extemporary(free, casual, impulsive, spontaneous, unprepared)
1
extemporised(adjective, extemporize, extemporise)
1
extemporized(adjective, informal, spontaneous, unplanned, unpremeditated)
1
factitious(adjective, fake, false, unusual, strange)
1
fairy-tale
1
fantasized(adjective, pretend, imaginary)
1
fantasy(adjective, false, pretend, imaginary, unreal)
1
farraginous
1
fashioned(untrue, developed, fictitious, invented, fabricated)
1
free(casual, impulsive, spontaneous, unprepared, impromptu)
1
hatched
1
hyped up(expression, untrue, developed, fictitious, invented)
1
immediate(free, informal, casual, impulsive, snap)
1
improv(free, informal, casual, impulsive, snap)
1
improvisatory(free, informal, casual, impulsive, snap)
1
improviso(adjective, free, informal, casual, spontaneous)
1
informal(free, casual, impulsive, snap, unprepared)
1
jamming(free, informal, casual, impulsive, snap)
1
made(untrue, developed, fictitious, invented, fabricated)
1
made up(verb, expression, adjective, phrasal verb, fake)
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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>