noun ·3 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   Synonym of lethality.; The quality of being deadly. uncountable, usually
2. 2
   the quality of being deadly wordnet
3. 3
   Synonym of lethality.; The degree to which a thing is deadly. uncountable, usually
4. 4
   Tedium, or the quality of being boring. excessive, figuratively, uncountable, usually

Synonyms

All synonyms

abeyanceapathycatalepsydormancyeerinessentropy

Etymology

From Middle English dedlinesse, deadlicnesse, from Old English dēadlīcnes, equivalent to deadly + -ness.

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