renitent

Resistant to physical pressure; not pliant.

Reluctant to yield or be swayed; recalcitrant.

Resisting pressure or the effect of it; acting against impulse by elastic force.

Persistently opposing.

Resisting pressure or the effect of it; acting against impulse by elastic force.

Persistently opposed.

resistant to physical pressure; unyielding

resistant to compulsion; recalcitrant