1
stroke(noun, verb, mark, draw, stain)
1
stumble(noun, slip, failure, fault, mistake)
1
such-and-such(adjective, strange, new, remote, mysterious)
1
such and such(expression, adjective, idiom, unknown, undisclosed)
1
thud(noun, bar)
1
trace(noun, verb, mark, draw, stain)
1
transgression(noun, slip, failure, fault, mistake)
1
trespass(noun, slip, failure, fault, mistake)
1
unacknowledged(adjective, unknown, undisclosed, nameless, anonymous)
1
unapprehended(adjective, strange, new, remote, mysterious)
1
unascertained(adjective, strange, new, remote, mysterious)
1
unattested(adjective, unknown, undisclosed, nameless)
1
unavowed(adjective, unknown, undisclosed, nameless)
1
uncelebrated(adjective, strange, new, remote, unknown)
1
uncharted(adjective, strange, new, remote, mysterious)
1
unclaimed(adjective, unknown, undisclosed, nameless)
1
uncredited(adjective, unknown, undisclosed, nameless)
1
underline(verb, mark, draw, stain, blemish)
1
undesignated(adjective, unknown, undisclosed, nameless, anonymous)
1
undiscovered(adjective, strange, new, remote, mysterious)
10 years ago|2.8k views|share |citing 
APASmart Define. (2015). x thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/x/thesaurus/synonyms
ChicagoSmart Define. 2015. "x thesaurus" https://smartdefine.org/x/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, x thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/x/thesaurus/synonyms>.
MLASmart Define. "x thesaurus" 27 October 2015. Web. 21 September 2026. <https://smartdefine.org/x/thesaurus/synonyms>