1. (Linguistics) a word or expression that has lost much of its force through overexposure, as for example the phrase it's got to get worse before it gets better
2. an idea, action, or habit that has become trite from overuse
3. (Communication Arts / Printing, Lithography & Bookbinding) Printing chiefly Brit a stereotype or electrotype plate
[from French, from clicher to stereotype; imitative of the sound made by the matrix when it is dropped into molten metal]

n cliché [ˈkliːʃei, (American ) kli:ˈʃei]
a phrase which has been used too often, and has become meaningless. afgesaag, holrug كليشيه: عِبارَه مُتَكَرِّرَه клише klišé, fráze floskel; cliché das Klischee κοινοτοπία, κλισέ cliché klišee کلیشه klisee cliché קְלִישָאָה चलन से बाहर हुआ मुहावरा kliše, otisak közhely klise klisja, tugga cliché ちんぷな表現 진부한 문구 nuvalkiotas, banalus posakis klišeja; nodrāzta frāze kata basi clicha a klisjé, forslitt vending komunał, frazes frase feita clişeu клише fráza fraza kliše klyscha, kliché ถ้อยคำซ้ำซาก klişe, basmakalıp söz 陳詞濫調 банальна фраза, штамп lời nói sáo rỗng 陈词滥调

Source: http://www.thefreedictionary.com/cliché