62 entries under expression topic. ×

5
under cover(adjective, idiom, cover, show)
5
under wraps(adjective, idiom, show, secret)
4
hiding place(noun, idiom, protection, screen)
2
ground cover(noun, idiom, ground)
1
between the lines
1
buttoned up(mysterious, private, reticent, taciturn)
1
clammed up(mysterious, private, reticent, taciturn)
1
cut off(close, quiet, private, isolated)
1
hole in the wall(noun, idiom, cover, protection)
1
in a cloud
1
in a fog
1
in ambush(clandestine, underground, undisclosed)
1
in chambers(mysterious, private, reticent, taciturn)
1
in privacy(mysterious, private, reticent, taciturn)
1
in private(mysterious, private, reticent, taciturn)
1
in the background(idiom, mysterious, reticent, taciturn)
1
in the dark(idiom, reticent, taciturn, unseen)
1
in the wings
1
ivory tower(noun, protection, shelter, security)
1
lee wall(idiom, refuge)
11 years ago|17k views|share |citing 
APASmart Define. (2015). covert thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/covert/thesaurus/synonyms
ChicagoSmart Define. 2015. "covert thesaurus" https://smartdefine.org/covert/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, covert thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/covert/thesaurus/synonyms>.
MLASmart Define. "covert thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/covert/thesaurus/synonyms>