| fickle(adjective, uncertain, irregular, conflicting, incompatible) |
| fierce |
| fire-eating(energetic, antagonistic, aggressive, argumentative, contentious) |
| full of fight(expression, idiom) |
| gainsaying(hostile, counter, different, antagonistic, contrary) |
| gladiatorial(energetic, hostile, antagonistic, aggressive, radical) |
| grating |
| hostilities |
| hot war |
| in opposition(expression, hostile, counter, different, antagonistic) |
| inadmissible(adjective, inappropriate, antagonistic, unsuitable, conflicting) |
| inappropriate(antagonistic, unsuitable, discordant, contradictory, unsuited) |
| incoherent(adjective, uncertain, irregular, inappropriate, antagonistic) |
| incompatible(adjective, uncertain, hostile, counter, irregular) |
| inconformable(adjective, inappropriate, antagonistic, unsuitable, conflicting) |
| incongruent(adjective, uncertain, irregular, conflicting, incompatible) |
| incongruous(adjective, uncertain, irregular, inappropriate, antagonistic) |
| inconsonant(adjective, inappropriate, antagonistic, unsuitable, conflicting) |
| inconstant(adjective, uncertain, irregular, inappropriate, antagonistic) |
| irreconcilable(adjective, uncertain, hostile, counter, irregular) |