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

WORD ORIGIN

late 14c., apparently from Old French traitreus (mid-13c.), from traitor (see traitor).

MORE RELATED WORDS FOR TRAITOROUSNESS

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