What's the difference between against and with?

Against


Definition:

  • (prep.) Abreast; opposite to; facing; towards; as, against the mouth of a river; -- in this sense often preceded by over.
  • (prep.) From an opposite direction so as to strike or come in contact with; in contact with; upon; as, hail beats against the roof.
  • (prep.) In opposition to, whether the opposition is of sentiment or of action; on the other side; counter to; in contrariety to; hence, adverse to; as, against reason; against law; to run a race against time.
  • (prep.) By of before the time that; in preparation for; so as to be ready for the time when.

Example Sentences:

With


Definition:

  • (n.) See Withe.
  • (prep.) With denotes or expresses some situation or relation of nearness, proximity, association, connection, or the like.
  • (prep.) To denote a close or direct relation of opposition or hostility; -- equivalent to against.
  • (prep.) To denote association in respect of situation or environment; hence, among; in the company of.
  • (prep.) To denote a connection of friendship, support, alliance, assistance, countenance, etc.; hence, on the side of.
  • (prep.) To denote the accomplishment of cause, means, instrument, etc; -- sometimes equivalent to by.
  • (prep.) To denote association in thought, as for comparison or contrast.
  • (prep.) To denote simultaneous happening, or immediate succession or consequence.
  • (prep.) To denote having as a possession or an appendage; as, the firmament with its stars; a bride with a large fortune.

Example Sentences: