Deleteriously

adv

adv ·Rare ·Advanced level

Definitions

Adverb
  1. 1
    In a deleterious manner; harmfully.

Synonyms

All synonyms
harmfullymalevolentlymalignantly

Etymology

From deleterious + -ly.

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