5
heavy
4
profound
3
sound
2
hard
2
unplumbed
1
clayey
1
cloggy
1
complete
1
deep
1
healthy
1
impenetrable
1
laborious
1
legal
1
levelheaded
1
lowering
1
threatening
1
unfathomed
1
unsounded
0
strong
0
weighty
13 years ago|787 views|share |citing 
APASmart Define. (2013). wakeless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/wakeless/thesaurus/synonyms
ChicagoSmart Define. 2013. "wakeless thesaurus" https://smartdefine.org/wakeless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, wakeless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/wakeless/thesaurus/synonyms>.
MLASmart Define. "wakeless thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/wakeless/thesaurus/synonyms>