1. most convenient or easy to use or access
Usage: superlative form of handy
2. most skillful or clever with one's hands
Usage: superlative form of handy

Examples

• The handiest tool for this job is a multi-purpose screwdriver.
• She's the handiest person I know—she can fix almost anything around the house.
• The handiest location for the new office is near the train station.
• He's the handiest with a hammer on the construction team.
• Keep your phone in the handiest pocket so you can reach it quickly.
• The handiest solution to the problem turned out to be the simplest one.