Find Antonyms
prolong Antonyms
Opposite of prolong
Pinning down the opposite of prolong requires matching its exact sense, so the antonyms and opposite words below are paired with a clear verb definition and ranked by contrast strength.
• verb (Context 1)
To extend the duration of something; to cause to continue for a longer time.
Usage Example
"Regular maintenance and timely repairs will significantly shorten the lifespan of the engine."
Strongest
shorten
curtail
cut short
abbreviate
Strong
truncate
abridge
terminate
Similar words to prolong
Words similar to prolong shift depending on context. Common synonyms include:
extend
lengthen
protract
draw out
stretch out
drag out
perpetuate
sustain
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Prolong. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/prolong