42 entries under noun topic. ×

24
immediately(adverb, conjunction)
20
instantly
12
as soon as(conjunction, expression, verb, phrasal verb)
9
former(adjective, adverb, order, time)
3
right away(verb, phrasal verb)
2
directly
2
in a jiffy(expression, idiom)
2
in a trice(expression, idiom)
2
in a wink(expression, idiom)
2
promptly
2
without delay
1
bout
1
hornpipe
1
itinerary
0
approach
0
attack
0
avenue
0
channel
0
competition
0
course
<123>
10 years ago|8.8k views|share |citing 
APASmart Define. (2016). once thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/once/thesaurus/synonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/once/thesaurus/synonyms>