verb

• (transitive, intransitive) To apply a force to (an object) such that it moves away from the person or thing applying the force.
  "In his anger he pushed me against the wall and threatened me."
• (transitive) To continually attempt to persuade (a person) into a particular course of action.
  "We are pushed for an answer."
• (transitive) To press or urge forward; to drive.
  "to push an objection too far; to push one's luck"
• (transitive) To continually promote (a point of view, a product for sale, etc.).
  "Stop pushing the issue — I'm not interested."

noun

• (figurative) A force that impels or pressures one to act.
  "I guess it's just the special curse of working under deadline's push"
• (military) A marching or drill maneuver/manoeuvre performed by moving a formation (especially a company front) forward or toward the audience, usually to accompany a dramatic climax or crescendo in the music.
• (computing) The addition of a data item to the top of a stack.
• (Internet, uncountable) The situation where a server sends data to a client without waiting for a request.
  "server push; a push technology"

noun

• (obsolete, UK, dialect) A pustule; a pimple.
  "a Push rise upon his Nose"