Cases of word usage

1) twisted; bent (crooked)

2) easily bent without breaking; (of plans etc) easily changed to suit new conditions (flexible)

3) a bent or curved tube, pipe etc arranged so that liquid will flow up through it and then go down; a bottle from which soda-water can be forced out by the pressure of gas in it (siphon)

4) a length of twisted, bent or coiled metal which returns to its shape or position after being pulled, pushed or pressed; (a place where there is) water coming up from the ground; the season between winter and summer when many plants and flowers begin to grow (spring)

5) forming the main part; a main part or product for trading; a U-shaped metal pin hammered into a surface, used to hold something in position; a piece of wire as pushed through sheets of paper and bent to hold them together (staple)

6) not easily bent or changed in shape; hard to stir, work, move etc; formal, unfriendly; thoroughly; a dead body (stiff)

7) a twisted or bent condition in a piece of wood etc caused by shrinking or expansion; (to cause something) to become bent or twisted from the usual or natural shape (warp)

8) bent or twisted (warped)

9) (the wood of) a kind of tree with thin, easily bent branches, used for weaving into baskets etc (willow)