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Synonyms

buttoned-up

American  
[buht-nd-uhp] / ˈbʌt ndˈʌp /

adjective

  1. conservative, as in professional style or manner.

    Employers are looking for buttoned-up types.

  2. carefully planned, operated, supervised, etc..

    It's one of the most buttoned-up companies in the business.


Etymology

Origin of buttoned-up

First recorded in 1935–40

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