noun
1.
Synonyms: enmity , animosity, animus, antipathy, hostility, rancor
Related Word: opposition, oppugnancy, resistance, withstanding; clashing, conflict, difference, disagreement, discord, friction
Contrasted words: concord, consonance, harmony; agreement, understanding
Antonyms: accord; comity
2.
an opposing state, action, or position
the natural antagonism of predators and prey
Synonyms: antithesis, con, contradistinction, contraposition, contrariety, opposition, opposure
Related Word: disagreement, discrepancy, disparity, incongruity; annulling, negation, nullification; counteraction
Contrasted words: agreement, congruity; alliance, association, rapport; empathy, sympathy