[ uhp-draft, -drahft ]
/ ˈʌpˌdræft, -ˌdrɑft /


the movement upward of air or other gas.

Nearby words

  1. upcycle,
  2. update,
  3. updike,
  4. updike, john,
  5. updo,
  6. updraught,
  7. updrift,
  8. upend,
  9. upf,
  10. upfold

Origin of updraft

late Middle English word dating back to 1400–50; see origin at up-, draft

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for updraft

Word Origin and History for updraft



"rising air current," 1909, from up + draft (n.).

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for updraft


[ ŭpdrăft′ ]

An upward current of warm, moist air. With enough moisture, the current may visibly condense into a cumulus or cumulonimbus cloud. Compare downdraft.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.