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authenticate

How to pronounce authenticate:

Definition of authenticate:

authenticate:
The past tense of Authenticate is authenticated.

Synonyms for authenticate:

attest
certify
demonstrate
evidence
manifest
verify

Antonyms for authenticate:

abrogate
abstain
annul
argue against
avoid
balk at
be at odds with
belie
blow out of the water
blow sky-high
blow up
break
buck
bust
call in question
call into question
cancel
cancel out
challenge
circumduct
clash with
conceal
conflict with
confound
confront
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Other 4-syllable words

Here are some other common 4-syllable words.

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Syllable Fun Fact
English's rich history of borrowing words from other languages leads to a wide variety of syllable structures, such as the four-syllable word 'television'.

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