7
overachiever
4
fitness freak
1
comer
1
explorer
1
straighten
0
hustler
0
peon
0
achiever
0
do
0
doer
0
drone
0
drudge
0
go-ahead
0
go-getter
0
grub
0
highflier
0
hummer
0
powerhouse
0
rustler
0
self-starter
<12>
10 years ago|386 views|share |citing 
APASmart Define. (2016). slouch thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/slouch/thesaurus/antonyms
ChicagoSmart Define. 2016. "slouch thesaurus" https://smartdefine.org/slouch/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, slouch thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/slouch/thesaurus/antonyms>.
MLASmart Define. "slouch thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/slouch/thesaurus/antonyms>