Definition of buttoned-up in English:

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1Reserved and not inclined to reveal information: Fleischer’s buttoned-up style
More example sentences
  • My guess is it's even more so in buttoned-up places, because the less that information is openly shared, the more you need to make evaluations of your colleagues merely for self-protection.
  • If head smooches from the chairman and bear hugs from store employees are disconcerting after nearly 30 years at the more buttoned-up GE, Nardelli isn't letting on.
  • A more buttoned-up White House than the casual atmosphere apparent during the Clinton years has offices all around the country wanting a bit more formality in the dress code.
2Secured to the maximum degree against attack: the tank had been buttoned up and had not been seriously damaged
More example sentences
  • The BRDM / BRDM - 2 vehicles have a reaction time of one minute to fire from a completely buttoned-up mode.
  • Never during World War II, when German submarines prowled the coast of Maryland and Delaware, sinking thousands of tons of shipping monthly, was Washington as buttoned-up as today.
  • A study by Baluk et al. (page 2349) reveals how the organization of junctional proteins might keep endothelial cells in lymphatic vessels buttoned up but still allow fluid and cells to enter.

For editors and proofreaders

Syllabification: but·toned-up

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