downsample

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verb

To reduce the sampling rate of (a signal).

Opposite
upsample
Scrabble 18
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Meanings

verbdownsample (third-person singular simple present downsamples, present participle downsampling, simple past and past participle downsampled)

present singular third person downsamples · participle present downsampling · participle past downsampled · past downsampled

  1. To reduce the sampling rate of (a signal).
  2. To reduce the sample size of a data set by randomly eliminating data points, typically so that it matches the size of another set.

Synonyms & antonyms

Opposite
upsample

Origin

From down + sample.

Full word history & related roots →
Cite this entry
APA

downsample. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/downsample

MLA

“downsample.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/downsample. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “downsample,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/downsample.

Source: downsample on Wiktionary, CC BY-SA 4.0.