SHIBBOLETH

shibboleth

(noun) a manner of speaking that is distinctive of a particular group of people

motto, slogan, catchword, shibboleth

(noun) a favorite saying of a sect or political group

Source: WordNet® 3.1

Etymology

Noun

shibboleth (plural shibboleths)

A word, especially seen as a test, to distinguish someone as belonging to a particular nation, class, profession etc.

A common or longstanding belief, custom, or catchphrase associated with a particular group, especially one with little current meaning or truth.

Synonyms: platitude, slogan, truism

Source: Wiktionary

Shib"bo*leth, n. Etym: [Heb. shibboleth an ear of corn, or a stream, a flood.]

1. A word which was made the criterion by which to distinguish the Ephraimites from the Gileadites. The Ephraimites, not being able to pronounce sh, called the word sibboleth. See Judges xii. Without reprieve, adjudged to death, For want of well pronouncing shibboleth. Milton.

Definition: Also in an extended sense. The th, with its twofold value, is . . . the shibboleth of foreigners. Earle.

2. Hence, the criterion, test, or watchword of a party; a party cry or pet phrase.

Source: Webster’s Unabridged Dictionary 1913 Edition