Fail (verb)

Synonyms: fail, neglect, forget, omit, overlook

fail: not to do something
Example: The car failed to stop at the red light.  She failed to tell us of her change
of address.

neglect: not to do something that should have been done
Example: He neglected to tell the police that he had been involved in an accident.

forget: not to remember
Example: He’s forgotten the name of the restaurant.  I’ve forgotten how to play
chess.  She forgot all about her doctor’s appointment.

omit: to leave something out, especially something that is helpful or important
Example: She omitted the date when she signed the contract.  They omitted to tell
me the price of the ticket.

overlook: not to notice something
Example: She overlooked several mistakes when she was correcting the exam