113 entries under expression topic. ×

9
out of sight(adjective, idiom, adverb, view)
5
under cover(adjective, idiom, cover, show)
2
behind the curtain(idiom, unknowing, hermetical, unbriefed)
2
behind the scenes(idiom, unknowing, personal, confidential)
2
top secret(clandestine, underground, undisclosed)
2
under wraps(secret, underground, sneaky, covered)
1
at sea(confused, out, lost, missing)
1
between the lines
1
buttoning up(adjective, quiet, reserved, secret)
1
cast away(confused, out, lost, missing)
1
clamming up(adjective, quiet, reserved, secret)
1
down the drain(idiom, out, lost, missing)
1
fallen between cracks(idiom, out, lost, missing)
1
glossed over(unseen, ignored, undiscovered, overlooked)
1
gone astray(confused, out, lost, missing)
1
hinted at(adjective, indirect, latent)
1
in a cloud
1
in a fog
1
in secret(idiom, unknowing, hermetical, unbriefed)
1
in the dark(adjective, idiom, secret, unknown)
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APASmart Define. (2015). hidden thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/hidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "hidden thesaurus" https://smartdefine.org/hidden/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, hidden thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/hidden/thesaurus/synonyms>.
MLASmart Define. "hidden thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/hidden/thesaurus/synonyms>