1. A device employed to cheat, deceive, or trick, especially a mechanism for the secret and dishonest control of gambling apparatus.
2. an innovative or unusual mechanical contrivance; a gadget.
3. an innovative stratagem or scheme employed especially to promote a project: an advertising gimmick.
4. A significant feature that is obscured, misrepresented, or not readily evident; a catch.
5. A small object whose name does not come readily to mind.
6. to add gimmicks to; clutter with gadgets or attention-getting details. often used with up.
7. to change or affect by means of a gimmick.

1. A trick or device used to reach some end.
2. A clever ploy or strategy.
3. to rig or set up with a trick or device.

1. something unspecified whose name is either forgotten or not known
2. any clever maneuver
3. a drawback or difficulty that is not readily evident