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optional

How to pronounce optional:

Synonyms for optional:

alternative
chosen
discretionary
elective
ex gratia
extra
facultative
noncompulsory
nonobligatory
open
possible
unnecessary
up to the individual
voluntary

Antonyms for optional:

acute
all important
all-important
appointed
appropriate
basic
binding
burning
called for
cardinal
careful
central
compelling
compulsatory
compulsory
consequential
contractual
core
critical
crucial
de rigueur
demanded
deserved
designed
desired
Show 63 more
Other 4-syllable words

Here are some other common 4-syllable words.

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Syllable Fun Fact
Syllable contact laws govern the permissible combinations of consonants at syllable boundaries within and across words.

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