1. in opposition to or competition facing; against to argue with a friend, to vie with the champions
2. 1. alongside of; near to
   2. in the company of
   3. into; among mix blue with yellow
3. as an associate, or companion, of to play golf with one's son
4. 1. as a member of playing with a string quartet
   2. working for, serving under, etc. having been with the firm for 20 years
5. 1. in some relation to or toward; about pleased with her gift
   2. regarding; concerning with him, life is always a struggle
6. in the same terms as; compared to; contrasted to having equal standing with the others
7. as well as, as completely as, etc. able to field a ball with the best
8. of the same opinions, beliefs, etc. as I'm with you there
9. in support of; on the side of voting with the Tories
10. in the opinion or estimation of my decision is all right with her
11. as a result of; because of faint with hunger
12. 1. by means of; using to stir with a spoon, to play tennis with a new racket
    2. by the use, presence, etc. of; by filled with air
13. 1. accompanied by, attended by, circumstanced by, etc. enter with confidence
    2. having received with your permission, he'll go
14. having as a possession, attribute, accouterment, etc.; bearing, wearing, or owning the man with brown hair
15. showing or exhibiting to play with skill
16. in the keeping, care, etc. of the children were left with the baby sitter
17. 1. added to those, with the ones we have, will be enough
    2. including with the stepchildren, the family numbers ten
18. in spite of; notwithstanding: often followed by all with all his boasting, he is a coward
19. 1. at the same time as to rise with the chickens
    2. in the same direction as to travel with the sun
    3. in the same degree as; in proportion to wages that vary with skill
    4. in the course of grief lessens with time
20. to; onto join one end with the other
21. from to part with one's gains
22. following upon; after with that remark, he left

Etymology: ME < OE, orig., against, in opposition to, contr. < or akin to wither, against < IE *witero- (< base *wi-, asunder, separate + compar. suffix) > Ger wider, against