or head room

[ hed-room, -room ]
See synonyms for headroom on Thesaurus.com
  1. Nautical. the clear space between two decks.

  2. Also called headway.

    • clear vertical space, as between the head and sill of a doorway, the ceiling and floor of a room, or the ceiling of a vehicular passageway and a vehicle roof, as to allow passage or comfortable occupancy: over 7.5 feet of headroom in the attic;a covered bridge with limited headroom.

    • clear vertical space above one’s head, as in a vehicle or room: plenty of headroom for passengers.

Origin of headroom

First recorded in 1850–55; head + room

Words Nearby headroom

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

How to use headroom in a sentence

British Dictionary definitions for headroom



/ (ˈhɛdˌrʊm, -ˌruːm) /

  1. the height of a bridge, room, etc; clearance

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