staunchhostility

noun
UK /stɔːntʃ hɒˈstɪlɪti/
US /stɔntʃ hɑˈstɪləti/

A very strong and steady feeling of not liking someone or something.

The two teams showed staunchhostility toward each other throughout the match.


OTHER MEANINGS

2. A firm and loyal refusal to be friendly toward an enemy.

His staunchhostility to the invaders never faded.

3. A steady, unchanging attitude of resistance against an idea.

The group's staunchhostility to the new rules surprised everyone.

4. Long-lasting bad feeling between two sides that will not soften.

Years of staunchhostility kept the neighbors from ever speaking.