12
tired
10
exhausted
10
fatigued
10
pooped
9
drained
8
all in(verb, expression, adjective, phrasal verb)
8
weary
7
spent
6
beat
6
whacked
6
worn out
5
bushed
5
dead
5
done in(verb, expression, adjective, phrasal verb)
5
fagged
4
dog-tired
4
wearied
3
knocked out
2
aweary
2
burned-out
11 years ago|3.8k views|share |citing 
APASmart Define. (2015). knackered thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/knackered/thesaurus/synonyms
ChicagoSmart Define. 2015. "knackered thesaurus" https://smartdefine.org/knackered/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, knackered thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/knackered/thesaurus/synonyms>.
MLASmart Define. "knackered thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/knackered/thesaurus/synonyms>