166 entries under cover topic. ×

59
dim(verb, adjective, dull, quiet)
50
dark(adjective, secret, hidden, mysterious, unclear)
28
hide(verb, close, check, show)
26
conceal(verb, close, show, block)
25
ambiguous(adjective, clear, rough, dark)
25
cloud(noun, verb, upset, trouble)
23
hidden(verb, adjective, quiet, hard)
23
veil(verb, close, shade, block)
21
cryptic(adjective, sharp, difficult, dark)
20
darken(verb, upset, trouble, confuse)
19
eclipse(verb, clear, block, suppress)
17
enigmatic(adjective, hard, sharp, rough)
17
screen(verb, show, shade, block)
16
shroud(verb, close, show, block)
16
concealed(adjective, quiet, difficult, plain)
16
mask(noun, verb, close, check)
16
overcast(verb, adjective, dull, clear)
15
disguise(verb, close, block, suppress)
15
occult(noun, verb, adjective, block)
14
blot out(verb, expression, phrasal verb, destroy)
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APASmart Define. (2016). obscure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms
ChicagoSmart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, obscure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>.
MLASmart Define. "obscure thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms>