1. a person who enjoys fixing, adjusting, or experimenting with things, especially mechanical objects, often as a hobby
2. a person who makes minor repairs or adjustments in an unskilled or experimental manner
Usage: sometimes implies lack of expertise

Examples

• My grandfather was a tinkerer who spent hours in his garage fixing old radios.
• She’s a natural tinkerer who loves taking apart electronics to see how they work.
• The tinkerer in the neighborhood could fix almost any broken appliance.
• He’s more of a tinkerer than a professional mechanic, but he gets the job done.
• The old tinkerer had a workshop full of spare parts and half-finished projects.
• As a weekend tinkerer, she enjoyed restoring vintage bicycles.