[ slip-stree-ming ]
/ ˈslɪpˌstri mɪŋ /


the act of updating a software program without adequately informing the public, as by failing to release it as an official new version.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following bird names traces its immediate origin to Portuguese?

Words nearby slipstreaming

Origin of slipstreaming

First recorded in 1985–90

Definition for slipstreaming (2 of 2)

[ slip-streem ]
/ ˈslɪpˌstrim /

noun Also slip stream.

Aeronautics. the airstream pushed back by a revolving aircraft propeller.Compare backwash(def 2), wash(def 31).
the airstream generating reduced air pressure and forward suction directly behind a rapidly moving vehicle.

verb (used without object)

to ride in the slipstream of a fast-moving vehicle.

Origin of slipstream

First recorded in 1910–15; slip1 + stream Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for slipstreaming

/ (ˈslɪpˌstriːm) /


Also called: airstream, race
  1. the stream of air forced backwards by an aircraft propeller
  2. a stream of air behind any moving object


motor racing to follow (another car, etc) closely in order to take advantage of the decreased wind resistance immediately behind it
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