be where it's at
to be very fashionable and popular:
In the classical music world these days, authentic instruments are where it's at.
Thesaurus: synonyms and related words
Modern & fashionable
- be (all) the rage idiom
- be having a moment idiom
- be the last word in sth idiom
- be the new sth idiom
- get with the programme idiom
- happening
- high-tech
- hip
- hipster
- it
- minute 1
- programme
- sharp
- smart
- state-of-the-art
- street cred
- swinger
- swinging
- switched on
- à la mode
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