How many syllables in onslaught?

There are 2 syllables in the word onslaught.

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Divide onslaught into syllables:

on · slaught

How to pronounce onslaught:

Definition of onslaught:

onslaught (noun):: a violent attack; an especially fierce attack; something resembling such an attack; a sudden and severe onset of trouble.

Synonyms for onslaught:

fire invasion operation rush assault attack attempt charge strike incursion

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Antonyms for onslaught:

deterrence escape defensive rush attack obedience protection flight hurry charge

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Other 2-syllable words like onslaught

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