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adj, slang

adj, slang ·Moderate ·College level

Definitions

Adjective
  1. 1
    Well-informed concerning. colloquial, idiomatic, not-comparable, usually

    "The tour guide was certainly up on his history."

Adjective
  1. 1
    being up to particular standard or level especially in being up to date in knowledge wordnet

Synonyms

All synonyms
abreastabreast ofacquainted withadeptadept inat home in

Example

More examples

"The tour guide was certainly up on his history."

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