to be at a loss; to be in a corner
to reach an extreme; to reach a limit; extremely; to be stuck; to be in a dilemma; to be decided
to carry to extremes; to go to the end of something; to investigate thoroughly; to master
extremity; end; bound; limit
extremely; in the extreme; knows no bounds (e.g. rudeness); boundless (e.g. universe, ocean); limitless
height; acme; extremity; end; limit
using the strongest words possible