insistent; obstinate; persistent; tenacious

too rich (taste, etc.); fatty; heavy; greasy

to be peevish; to sulk; to pout

persistent; obstinate; tenacious; relentless; insistent; importunate; persevering; stubborn

to twist; to screw; to wrench

to sprain

to get complicated; to grow worse; to turn sour

to aggravate; to complicate; to make worse

to get twisted; to get crooked; to get warped

to become twisted (of a mind, relationship, etc.); to become warped; to become perverse; to become contrary

to become troubled; to become complicated; to become strained

to curve; to twist

to be contrary; to be uncooperative; to be rebellious

twist; wrench; distortion; kink; warp

Physics

torsion

to make worse (e.g. disease); to aggravate; to complicate