noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   Gnashing. uncountable

Verb

1. 1
   present participle and gerund of gnast form-of, gerund, participle, present

Synonyms

All synonyms

spark

Etymology

Etymology 1

From Middle English gnastyng, gnaisting, equivalent to gnast + -ing. More at gnast.

Etymology 2

From gnast.

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