25 entries under instantaneity topic. ×

4
early
1
all at once(expression, idiom, adverb, before)
1
at once(expression, idiom)
1
in one's tracks(expression, idiom)
1
instantaneously
1
on the spot(expression, idiom, adverb)
1
right away(verb, phrasal verb)
1
toute a l'heure(expression, idiom)
0
at a stroke(expression, idiom)
0
at one jump(expression, idiom)
0
extempore
0
haste
0
immediately
0
in a moment(expression, idiom)
0
in a trice(expression, idiom)
0
in no time(expression, idiom)
0
instanter
0
on the moment(expression, idiom)
0
per saltum(expression, idiom)
0
plump
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APASmart Define. (2016). then thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/then/thesaurus/synonyms
ChicagoSmart Define. 2016. "then thesaurus" https://smartdefine.org/then/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, then thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/then/thesaurus/synonyms>.
MLASmart Define. "then thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/then/thesaurus/synonyms>