25 entries under earliness topic. ×

10
briefly(adverb, conciseness, concisely)
10
immediately(adverb, delay, first, now, directly)
9
shortly(adverb, directly, immediately, rapidly, instantly)
8
speedily(adverb, delay)
6
at once(expression, idiom, adverb, first, directly)
6
directly(adverb, first, now, immediately, rapidly)
6
forthwith(adverb, delay, directly, immediately, rapidly)
5
straight
4
apace
4
on the spot(expression, idiom, adverb, delay, directly)
4
quickly
3
instantaneously(first, now, directly, immediately, rapidly)
3
straightway
2
at short notice(expression, idiom, adverb, delay, directly)
2
incontinently
2
on the instant(expression, idiom)
1
almost immediately(expression, idiom)
1
by and by(verb, expression, phrasal verb)
1
extempore
1
in a while(expression, idiom)
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APASmart Define. (2016). summarily thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/summarily/thesaurus/synonyms
ChicagoSmart Define. 2016. "summarily thesaurus" https://smartdefine.org/summarily/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, summarily thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/summarily/thesaurus/synonyms>.
MLASmart Define. "summarily thesaurus" 30 January 2016. Web. 24 September 2026. <https://smartdefine.org/summarily/thesaurus/synonyms>