Fiendly

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Hostile. obsolete
  2. 2
    Like a fiend; devilish. archaic

Etymology

From Middle English fendly, feendly (“hostile, devilish”), from Old English fēondliċ (“hostile”), corresponding to fiend + -ly. Cognate with Dutch vijandelijk (“hostile”), German feindlich (“hostile”), Danish fjendtlig (“hostile”), Swedish fiendtlig, fientlig (“hostile”).

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