0
indifferent(adjective, lazy)
0
inefficient
0
intervallic
0
lackadaisical
0
laid-back
0
languid
0
lax
0
lethargic
0
lifeless
0
listless
0
loose
0
lukewarm
0
mercurial
0
napping
0
nonoperating
0
oblivious
0
occasional
0
off
0
off her guard
0
off his guard
11 years ago|2.3k views|share |citing 
APASmart Define. (2015). assiduous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/assiduous/thesaurus/antonyms
ChicagoSmart Define. 2015. "assiduous thesaurus" https://smartdefine.org/assiduous/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, assiduous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/assiduous/thesaurus/antonyms>.
MLASmart Define. "assiduous thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/assiduous/thesaurus/antonyms>