To move in a clumsy manner; to stumble or sprawl; to clamber up with difficulty.
An awkward or struggling movement; stumble.
To strive, or to make efforts, with a twisting, or with contortions of the body.
To strive, to labour in difficulty, to fight (for or against), to contend.
A contortion of the body in an attempt to escape or to perform a difficult task.
Strife, contention, great effort.