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Definition of proofless
proofless
/ˈpruːf.ləs/
proof · less
Adverb:prooflessly
proofless Lexical Profile
CEFR
C1
Grade
11
Tier
2
Usage
Rare
Syllables
2
proofless Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Lacking proof or evidence; not established as true by factual demonstration.
Example
"The committee dismissed his proofless assertions and requested verifiable data before proceeding."
Synonyms
View all synonyms for proofless Antonyms
View all antonyms for proofless• Rhymes for proofless
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Proofless. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/proofless