Find Antonyms

completion Antonyms

Opposite of completion

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

The action or process of finishing something, or the state of being finished and whole.

Usage Example

"The construction of the new library is scheduled for incompletion by the end of the autumn semester."

Strongest
incompletion
beginning
commencement
initiation
Strong
abandonment
cancellation

• noun (Context 2)

In gridiron football, a forward pass that is successfully caught by an eligible receiver.

Usage Example

"The quarterback threw twenty-four completions in thirty attempts during the championship game."

Strongest
incompletion
Strong
interception

Similar words to completion

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

closing
fulfillment
settlement
accomplishment
conclusion
realization
culmination
reception
See all synonyms of completion

• Nearby Words

complete
completely
completeness
completion
complex
complexity
complexly

Cite this Entry

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