verb ·5 syllables ·Uncommon ·Advanced level

Definitions

Verb

1. 1
   simple past and past participle of substantiate form-of, participle, past

Synonyms

All synonyms

actualascertainedattestedauthenticatedborne outcategorically true

Antonyms

All antonyms

baselessflimsy

Example

More examples

"They substantiated their claim by producing dated receipts."

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