opposer

Plural: opposers

Noun

One who opposes or is in opposition.
someone who offers opposition
One who opposes, one who shows opposition.

Examples

As an opposer of weak plays, she always aimed for maximum points.

Origin / Etymology

From oppose + -er.

Synonyms

adversary, antagonist, opponent, resister

Antonyms

agonist, proponent, proposer, supporter

Scrabble Score: 11

opposer: valid Scrabble (US) TWL Word
opposer: valid Scrabble Word in Merriam-Webster MW Dictionary
opposer: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

opposer: valid Words With Friends Word