UNTRUSS Meaning of UNTRUSS in English [un.truss] vt (1577) 1 archaic: untie, unfasten--used in the phrase untruss one's points 2. archaic: undress ~ vi, archaic: to unfasten or take off one's clothes and esp. one's breeches Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012