[ uhn-kap ]

verb (used with object),un·capped, un·cap·ping.
  1. to remove a cap or cover from (a bottle, container, etc.).

  2. to free from limits or restrictions: The union is demanding that cost-of-living allowances be uncapped.

  1. to remove a cap or hat from (the head of a person).

verb (used without object),un·capped, un·cap·ping.
  1. to remove the cap or hat from the head, as in respect.

Origin of uncap

First recorded in 1560–70; un-2 + cap1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use uncap in a sentence

  • After that I uncapped the lens, pulled out my flashlight apparatus, and pressed the trigger.

    Carnacki, The Ghost Finder | William Hope Hodgson

British Dictionary definitions for uncap


/ (ʌnˈkæp) /

verb-caps, -capping or -capped
  1. (tr) to remove a cap or top from (a container): to uncap a bottle

  2. to remove a cap from (the head)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012