verb ·2 syllables ·Rare ·Advanced level

Definitions

Verb

1. 1
   To make larger or more numerous. transitive
2. 2
   To become larger or more numerous; to change to something larger, such as a house. intransitive

Antonyms

All antonyms

downsize

Etymology

From up- + size.

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