7 entries under promptly topic. ×

8
instantaneously(adverb, directly, immediately, quickly, rapidly)
8
instantly(adverb, now, directly, immediately, quickly)
7
pronto(adverb, now, directly, immediately, quickly)
6
directly(adverb, now, immediately, rapidly, instantly)
6
forthwith(adverb, now, directly, immediately, quickly)
2
anon(now, directly, immediately, quickly, rapidly)
2
shortly(now, directly, immediately, quickly, rapidly)
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). instanter thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/instanter/thesaurus/synonyms
ChicagoSmart Define. 2015. "instanter thesaurus" https://smartdefine.org/instanter/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, instanter thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/instanter/thesaurus/synonyms>.
MLASmart Define. "instanter thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/instanter/thesaurus/synonyms>