Adulterant

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    That which adulterates, or reduces the purity of something.

    "With regard to the presence of opium in ale, it appears to form a very deleterious adulterant;"

  2. 2
    any substance that lessens the purity or effectiveness of a substance wordnet
Adjective
  1. 1
    making impure or corrupt by adding extraneous materials wordnet

Example

More examples

"With regard to the presence of opium in ale, it appears to form a very deleterious adulterant;"

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.