adjective, trust·i·er, trust·i·est.

able to be trusted or relied on; trustworthy; reliable.
Archaic. trustful.

noun, plural trust·ies.

a person or thing that is trusted.
a well-behaved and trustworthy convict to whom special privileges are granted.

Origin of trusty

Middle English word dating back to 1175–1225; see origin at trust, -y1
Related formstrust·i·ly, adverbtrust·i·ness, noun
Can be confusedexecutor trustee trustytrustee trusty Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for trustiness

Historical Examples of trustiness

British Dictionary definitions for trustiness


adjective trustier or trustiest

faithful or reliable
archaic trusting

noun plural trusties

someone who is trusted, esp a convict to whom special privileges are granted
Derived Formstrustily, adverbtrustiness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for trustiness



early 13c., "trusting," from trust (n.) + -y (2); meaning "reliable, to be counted on" is from early 14c. The noun meaning "a prisoner granted special privileges as reward for good conduct" is first attested 1855.

Online Etymology Dictionary, © 2010 Douglas Harper