To struggle in opposition; to be in contention or dispute; to contend; to contest.
To try to achieve a result; to make strenuous effort; to try earnestly and persistently.
To vie; to compete as a rival.
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.
A contortion of the body in an attempt to escape or to perform a difficult task.
Strife, contention, great effort.