adj, verb ·Rare ·Advanced level

Definitions

Verb

1. 1
   To expand from a compacted state; to uncompress computer data etc. transitive

Adjective

1. 1
   Not compact; incompact.

Synonyms

All synonyms

adulteratedairyattenuatedcutdiffusediluted

Antonyms

All antonyms

compactdensethick

Etymology

From un- + compact.

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