Find Synonyms

optional Synonyms

Another word for optional

Choosing another word for optional depends on context, so the 11 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Available to be chosen, done, or included according to personal preference, rather than being required or compulsory.

Usage Example

"Attending the evening networking reception is completely voluntary, though all conference guests are welcome."

Strongest
voluntary
noncompulsory
nonmandatory
discretionary
elective
Strong
unrequired
nonessential
dispensable

• noun (Context 2)

An elective subject, course, or extra feature that may be chosen but is not required.

Usage Example

"Alongside the core curriculum, third-year students must select two optionals from the humanities department."

Strongest
elective
Strong
option
extra
add-on

Opposites of optional

The opposite of optional shifts depending on context. Common opposites include:

compulsory
mandatory
obligatory
required
requirement
prerequisite
necessary
necessity
See all opposites of optional

• Nearby Words

optimizer
optimum
option
optional
optionally
optometrist
opulence

Cite this Entry

Wordmom. (2026). Synonyms for Optional. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/optional
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