Meanings
How to pronounce "come across":
AU
Used other than figuratively or idiomatically: see come, across.
To change sides; to cross over to work for the opposition.
Example: "You argued well in court but your firm doesn't pay its lawyers well, so why don't you come across to ours?"
To give an appearance or impression; to project a certain image.
Example: "A business suit and briefcase help her to come across as the competent professional she is."
To find, usually by accident.
Example: "In the meadow he came across a rare flower."
To produce what was desired; come up with the goods.