mistrust /mɪsˈtɹʌst/verb 4noun 1forms 5 verb4 •To have no confidence in (something or someone).The Britans marching out against them, and mistrusting thir own power, send to Germanus and his Collegue, reposing more in the spiritual strength of those two men, than in thir own thousands arm’d. — 1670 •To be wary, suspicious or doubtful of (something or someone).The innocent beauty of her face was not as innocent to me as it had been; I mistrusted the natural grace and charm of her manner […] — 1849 •To suspect, to imagine or suppose (something) to be the case. •To be suspicious.She wuz soft in her complexion, her lips, her cheeks, her hands, and as I mistrusted at that first minute, and found out afterwards, soft in her head too. — 1887 noun1 •Lack of trust or confidence; distrust, untrust. formsmistrusted · mistrusting · mistrusteth · mistrusts · mistrustest