Meaning

3 senses
  1. One who upsets (something); a disrupter.

  2. A person or device that turns something upside down.

  3. A kind of forging machine that moves horizontally.

More definitions
  • an unexpected winner; someone who defeats the favorite competitor

Origin

From upset + -er.

From upset + -er.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: upsetters
Singularupsetter
Pluralupsetters

regular

Word family

2 related words
Relatedupset

See also

neighbours in the dictionary
upsetter — meaning, examples, forms, synonyms | Krumeto