passé
[adjective]
Synonyms: out-of-date, dated, obsolete, old-fashioned, old hat, outdated, outmoded, unfashionable

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Antonyms: a la mode

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English Thesaurus: unfashionable, out of fashion, dated, passé, something is so last year, ...

[TahlilGaran] English Synonym Dictionary ▲

pas‧sé /ˈpæseɪ, ˈpɑː- $ pæˈseɪ/ adjective formal
[Date: 1700-1800; Language: French; Origin: past participle of passer; ⇒ pass¹]
no longer modern or fashionable

[TahlilGaran] Dictionary of Contemporary English ▲

unfashionable not popular or fashionable at the present time – used especially about people’s ideas, beliefs, and way of life:
They lived in an unfashionable part of London.
Marriage has become unfashionable in some countries.
out of fashion no longer fashionable – used especially about clothes, styles, and behaviour:
Miniskirts have been in and out of fashion over the years.
Leather jackets had never fallen out of fashion (=become unfashionable).
He used to be a smoker until smoking went out of fashion.
dated used for describing things which were fashionable and modern at one time but are starting to look unfashionable or old now:
The hotel needs to improve its dated interior.
The show seems dated now.
passé no longer fashionable – used especially about ways of doing and thinking about things. A rather formal use:
The musicals and light comedies for which she was known have become passé.
Some of his ideas about food are a bit passé.
something is so last year informal used when saying that something is now very unfashionable – a very informal use:
Blogging is already starting to feel so last year.
The resort is overcrowded and so last year.

[TahlilGaran] English Thesaurus ▲