Definition of TOOL

an article intended for use in work <needed a special tool to open the case of the CD player>
Related Words apparatus, appliance, mechanism; contraption, contrivance, gadget, gizmo (also gismo), jigger; accessory (also accessary), accoutrement (or accouterment), adjunct, appendage, attachment
one that is or can be used to further the purposes of another <a ruthless leader using his trusting followers as tools in his quest for power>
one who is easily deceived or cheated <you're just a pathetic tool of the advertising industry if you believe everything you see in TV commercials>
Synonyms chump, gull, mug [chiefly British], patsy, pigeon, pushover, sap, soft touch, sucker, tool

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