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mandatory
adjective
See more 4-syllable adjectives

How to pronounce mandatory:

Definition of mandatory:

mandatory (adjective):
obligatory
required by rule.
required by a law or rule obligatory

Synonyms for mandatory:

binding
compulsory
imperative
incumbent
necessary
needed
obligatory
required
requisite
urgent

Antonyms for mandatory:

alterable
arbitrary
at your discretion
autonomous
breakable
calculated
conscious
discretional
discretionary
elected
elective
facultative
free
free-willed
freewill
gratuitous
inessential
knowing
no strings attached
non-compulsory
non-mandatory
non-obligatory
non-requisite
nonbinding
noncompulsory
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Other 4-syllable words like mandatory

Here are some other common words that have 4 syllables, like mandatory does.

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Syllable Quiz
How many syllables in the word mand?

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