Search Result for "antagonistic": 
Wordnet 3.0

ADJECTIVE (5)

1. indicating opposition or resistance;
[syn: antagonistic, counter]

2. characterized by antagonism or antipathy;
- Example: "slaves antagonistic to their masters"
- Example: "antipathetic factions within the party"
[syn: antagonistic, antipathetic, antipathetical]

3. arousing animosity or hostility;
- Example: "his antagonistic brusqueness"
- Example: "Europe was antagonistic to the Unites States"

4. used especially of drugs or muscles that counteract or neutralize each other's effect;
[syn: antagonistic, incompatible]

5. incapable of harmonious association; 



The Collaborative International Dictionary of English v.0.48:

Antagonistic \An*tag`o*nis"tic\, Antagonistical
\An*tag`o*nis"tic*al\, a.
   Opposing in combat, combating; contending or acting against;
   as, antagonistic forces. -- An*tag`o*nis"tic*al*ly, adv.
   [1913 Webster]

         They were distinct, adverse, even antagonistic.
                                                  --Milman.
   [1913 Webster]


WordNet (r) 3.0 (2006):

antagonistic
    adj 1: indicating opposition or resistance [syn: antagonistic,
           counter]
    2: characterized by antagonism or antipathy; "slaves
       antagonistic to their masters"; "antipathetic factions within
       the party" [syn: antagonistic, antipathetic,
       antipathetical]
    3: arousing animosity or hostility; "his antagonistic
       brusqueness"; "Europe was antagonistic to the Unites States"
       [ant: conciliative, conciliatory]
    4: used especially of drugs or muscles that counteract or
       neutralize each other's effect [syn: antagonistic,
       incompatible] [ant: interactive, synergistic]
    5: incapable of harmonious association