Standard Lemma guide

confounder

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A person who confounds.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A factor, in data analysis, that causes the effects of two distinct processes to be indistinguishable; a confounding variable.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English confound Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English confounder From confound + -er.

Across languages

Translations

7 source translations are retained for this English entry.

  • Finnish: sekoittava tekijä — factor causing two distinct processes
  • Finnish: sekoittaja — factor causing two distinct processes
  • French: confondeur — factor causing two distinct processes
  • German: Störvariable — factor causing two distinct processes
  • German: Störfaktor — factor causing two distinct processes
  • German: Drittvariable — factor causing two distinct processes
  • German: Drittfaktor — factor causing two distinct processes