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optionally Synonyms
Another word for optionally
Choosing another word for optionally that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
In a manner that leaves something to one's own choice, without being required or mandatory.
Usage Example
"Participants must complete the main survey and may voluntarily submit additional written feedback."
Strongest
voluntarily
electively
Strong
discretionally
freely
Weak
alternatively
Opposites of optionally
The opposite of optionally shifts depending on context. Common opposites include:
compulsorily
mandatorily
obligatorily
necessarily
forcibly
Cite this Entry
Wordmom. (2026). Synonyms for Optionally. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/optionally