4
briefly
3
first and foremost
1
brief(adjective, simple, uncertain)
0
begin with
0
originally
0
in brief
0
in passing(expression, permanently)
0
in short(expression, permanently)
0
tersely
-1
fleetingly
-1
for a little while(expression, idiom, verbosely)
-1
in a few words
-1
initially
-1
sketchily
-1
succinctly
-2
concisely
-2
pithily
-2
quickly
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APASmart Define. (2015). at length thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/at_length/thesaurus/antonyms
ChicagoSmart Define. 2015. "at length thesaurus" https://smartdefine.org/at_length/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, at length thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/at_length/thesaurus/antonyms>.
MLASmart Define. "at length thesaurus" 19 June 2015. Web. 23 September 2026. <https://smartdefine.org/at_length/thesaurus/antonyms>