"wrenching" in the verb sense
1. wrench, twist
twist or pull violently or suddenly, especially so as to remove (something) from that to which it is attached or from where it originates
"wrench a window off its hinges"
"wrench oneself free from somebody's grip"
"a deep sigh was wrenched from his chest"
make a sudden twisting motion
3. wring, wrench
twist and compress, as if in pain or anguish
"Wring one's hand"
4. twist, sprain, wrench, turn, wrick, rick
twist suddenly so as to sprain
"wrench one's ankle"
"The wrestler twisted his shoulder"
"the hikers sprained their ankles when they fell"
"I turned my ankle and couldn't walk for several days"
"wrenching" in the adjective sense
1. racking, wrenching
causing great physical or mental suffering
"a wrenching pain"
Source: WordNet® (An amazing lexical database of English)
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