adj, verb ·Rare ·Advanced level

Definitions

Verb

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

Adjective

1. 1
   Not lasting. not-comparable, obsolete

   "Unlasting passion, soon outworn conceit, Whereon I built, and on so dureless trust!"

Antonyms

All antonyms

durablelasting

Example

More examples

"Unlasting passion, soon outworn conceit, Whereon I built, and on so dureless trust!"

Etymology

Etymology 1

See unlast.

Etymology 2

From un- + lasting.

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