A contested incompatibility that entails the use of armed force between two parties including a territory, the government of a state, or both.
Strife, contention, great effort.
A contortion of the body in an attempt to escape or to perform a difficult task.
To strive, to labour in difficulty, to fight (for or against), to contend.
To strive, or to make efforts, with a twisting, or with contortions of the body.