Twisting
Part of speech: adjective
Definition: Having many twists
Part of speech: verb
Definition: To turn the ends of something, usually thread, rope etc., in opposite directions, often using force.
Part of speech: noun
Definition: A twisting force.
Example sentence: Arabic is very twisting, very beautiful. The call to prayer is quite haunting; it almost makes you a believer on the spot.
Straining
Part of speech: verb
Definition: To hold tightly, to clasp.