Fentanil

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Alternative spelling of fentanyl; which is the international non-proprietary name. alt-of, alternative, uncountable

Synonyms

Etymology

From -fentanil, from fentanyl.

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