Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR TREACHEROUSNESS

The uncertainty and treacherousness of these Pg '70-25 straight seamed boilers has often been pointed out.

WORD ORIGIN

early 14c., from Old French trecheros (12c.), from trecheur, agent noun from trechier "to cheat, trick" (see trick). Figuratively, of things, from c.1600. Related: Treacherously; treacherousness.

MORE RELATED WORDS FOR TREACHEROUSNESS

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.