- Antagonistic; opposing; counteracting; as, antagonist
schools of philosophy.
2 . Antagonist
[ n.]
- One who contends with another, especially in combat; an
adversary; an opponent. - A muscle which acts in opposition to another; as a
flexor, which bends a part, is the antagonist of an extensor, which
extends it. - A medicine which opposes the action of another medicine
or of a poison when absorbed into the blood or tissues.
Meaning of 'antagonist' (Princeton's WordNet)
1 . antagonist
[ n]
Meaning (1): - a muscle that relaxes while another contracts
Example in sentence:
when bending the elbow the triceps are the antagonist