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Definition of upsetter

upsetter

/ʌpˈsɛt.ɚ/
up · set · ter
Adverb:upsettingly
•
Plural:upsetters
•
Adjective:upsetting
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upsetter Lexical Profile

upsetter Game Scores & Validity

• noun

1

A person or thing that overturns, disrupts, or unexpectedly defeats an established order or favored competitor.

Example

"The unseeded rookie quickly became the tournament's biggest upsetter after eliminating two former champions."

2

A forging tool or machine used in metalworking and woodworking to thicken and shorten a heated metal bar or to swage the teeth of a saw.

Example

"The blacksmith placed the heated iron rod into the mechanical upsetter to thicken the end before shaping the bolt head."

Synonyms
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Antonyms
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• Rhymes for upsetter

• Nearby Words

upscale
upsell
upset
upsetter
upsetting
upsettingly
upshift

Cite this Entry

Wordmom. (2026). Definition of Upsetter. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/upsetter
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