• To tremble, shake, or shiver with cold.
  • To be uncertain or unable to make a decision about doing something.
  • To do something nervously.
  • To render an approximation of (an image or graphic) by using dot patterns to simulate the appearance of colors or shades not in the system palette.
  • To intentionally add noise to a signal to randomize errors.


  • The state of being undecided.
  • A form of noise which is intentionally applied to randomize errors which occur in the processing of both digital audio and digital video data.
  • The use of dot patterns to approximate colors not available in the palette.


  • Variant of didder, from Middle English didderen, ultimately from Proto-Germanic *titrōną, whence also derived Old High German zittarōn (German zittern) and Old Norse titra (Faroese titra, Icelandic titra).

Modern English dictionary

Explore and search massive catalog of over 900,000 word meanings.

Word of the Day

Get a curated memorable word every day.

Challenge yourself

Level up your vocabulary by setting personal goals.

And much more

Try out Vedaist now.