Definition of dither in English:


Syllabification: dith·er
Pronunciation: /ˈdiT͟Hər


  • 2 [with object] Add white noise to (a digital recording) to reduce distortion of low-amplitude signals.
    More example sentences
    • In order to test the actuation bandwidth, the reference signal was dithered with a signal of constant amplitude, swept in frequency.
    • In fact what I had done was to put the AIFF file in Wavelab, used the change gain function and re-dithered the song.
  • 2.1Display or print (a color image) in such a way that there appears to be more colors in it than are really available: (as adjective dithered) dithered bitmaps
    More example sentences
    • Photoshop / ImageReady accomplishes this through dithering the image in one of three methods, selectable by the user: diffusion, pattern and noise.
    • GIF may win out with the non-dithering, fewer color images while JPEG is excellent for dithered continuous tone images.
    • ‘The messy dithering of colours that occurs with JPEG compression is bad feng shui.’


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  • 1 informal Indecisive behavior: after months of dither they had still not agreed
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    • After what seemed like an eternity of debate and dither, Winters finally smashed his kick high and to the left of Gallacher.
    • The fresh wave of rhapsodic dither on the director's sociopolitical acuity was inevitable.
    • Why all this dither about what's modern and what's not?
  • 2 [in singular] A state of agitation: buses are jammed and dirty and everyone is in a dither over taxis
    More example sentences
    • It's the day of the murder-mystery fundraising event and Colleen's all in a dither.
    • After Clark and I returned home from our oceanic bonding session, we walked in the door to find the whole house in a dither.
    • With Hong Kong in a dither, Shanghai is quickly gaining prominence as the gateway to China.



More example sentences
  • Such talk in my view has probably hurt the US in the UN since it gives ditherers and dissemblers there an excuse to continue doing so.
  • Everyone else's mandate for smooth evolution remains our ditherers ' charter.
  • But Jimmy Carter had a PhD and he was a hopeless ditherer.


More example sentences
  • Things liven up, too, when Mr G appears, shaky and dithery in his stained white suit, having problems with his colostomy bag.
  • I do not, however, think this subject is black and white… far too many grey areas - hence the somewhat dithery opinion.
  • I've never understood how anyone could be so dithery as to have no idea who to vote for.


mid 17th century (in the dialect sense 'tremble, quiver'): variant of dialect didder; related to dodder1.

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