1. (

• antagonistic ,
• counter

) indicating opposition or resistance ;

2. (

• antagonistic ,
• antipathetic ,
• antipathetical

) characterized by antagonism or antipathy; "slaves antagonistic to their masters"; "antipathetic factions within the party" ;

3. (

• antagonistic ,

) arousing animosity or hostility; "his antagonistic brusqueness"; "Europe was antagonistic to the Unites States" ;

4. (

• antagonistic ,
• incompatible

) used especially of drugs or muscles that counteract or neutralize each other's effect ;

5. (

• antagonistic

) incapable of harmonious association ;