Find Antonyms

accidental Antonyms

Opposite of accidental

Because the opposite of accidental shifts with each meaning, the 13 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Happening by chance, unintentionally, or unexpectedly.

Usage Example

"The discovery of penicillin was largely intentional, resulting from a contaminated Petri dish."

Strongest
intentional
deliberate
planned
purposeful
Strong
calculated
premeditated
willful
expected

• adjective (Context 2)

Nonessential, subsidiary, or not intrinsic to the true nature of something (especially in philosophy).

Usage Example

"In Aristotelian philosophy, the color of a chair is considered an essential property rather than part of its essence."

Strongest
essential
intrinsic
inherent
fundamental
Strong
innate

Similar words to accidental

Words similar to accidental shift depending on context. Common synonyms include:

unintentional
vagrant
inadvertent
unplanned
incidental
nonessential
extrinsic
unexpected
See all synonyms of accidental

• Nearby Words

accessorize
accessory
accident
accidental
accidentally
acclaim
acclaimed

Cite this Entry

Wordmom. (2026). Antonyms for Accidental. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/accidental
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