2
under cover(expression, sneak, recreant, sub-rosa, falsehearted)
2
underground
2
undisclosed
2
undivulged
2
unexpressed
2
unrevealed
2
unvoiced
2
worming(adjective, recreant, dragging, crawling, groveling)
2
worrisome
1
abased
1
adulterine(adjective, false, untrue, disloyal, cheating)
1
adulterous(adjective, false, untrue, disloyal, cheating)
1
all fours
1
ancillary(ambiguous, rambling, incidental, circuitous, tortuous)
1
artful(adjective, mean, smooth, dishonest, cunning)
1
back-door
1
back door
1
bad
1
barely moving(expression, adjective, recreant, dragging, crawling)
1
beggarly
11 years ago|4.5k views|share |citing 
APASmart Define. (2015). sneaking thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sneaking/thesaurus/synonyms
ChicagoSmart Define. 2015. "sneaking thesaurus" https://smartdefine.org/sneaking/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, sneaking thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sneaking/thesaurus/synonyms>.
MLASmart Define. "sneaking thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/sneaking/thesaurus/synonyms>