How To Spell proof?
How to Pronounce proof?
Correct pronunciation for the word "proof" is [pɹˈuːf], [pɹˈuːf], [p_ɹ_ˈuː_f].
Definition of proof

Strong to resist impression or penetration. See Prove.

Trial or test; experiment; demonstration; that which convinces; hardness or firmness to resist; impenetrability; firmness of mind; the degree of strength in spirit; a rough impression taken for correction; an early impression of an engraving.
Nuttall's Standard dictionary of the English language By Nuttall, P.Austin
What are the misspellings for proof?
What is the present tense of Proof?
What is the past tense of Proof?
What is the adverb for proof?
The adverb form of the word "proof" is "prooflessly".
What is the adjective for proof?
The adjective form of the word "proof" is "proven".
Usage over time for proof:
This graph shows how "proof" have occurred between 1800 and 2008 in a corpus of English books.
What is the plural form of proof?
The plural of the "proof" can be the "proofs".
What is the singular form of proof?
The singular of the "proof" can be the "proof".
Synonyms for Proof:

n.
• manifestation • evidence information ,
 attestation ,
 corroboration ,
 clue ,
 declaration ,
 illustration ,
 exhibit ,
 deposition ,
 establishment ,
 exemplification ,
 indication ,
 documentation ,
 connotation .
 copy .

adj.
• resistant