|1.||not true to a promise, vow, etc|
|2.||not true to a wife, husband, lover, etc, esp in having sexual intercourse with someone else|
|3.||inaccurate; inexact; unreliable; untrustworthy: unfaithful copy|
|4.||obsolete not having religious faith; infidel|
|5.||obsolete not upright; dishonest|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a fool or simpleton; ninny.|
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.