IPA: /ˈhændi/
KK: /ˈhændi/
The most useful or convenient for a particular purpose.
This tool is the handiest for fixing things around the house.
Comparative: handier
Superlative: handiest
Handiest → It is formed from "hand" (from Old English "hand", meaning the end part of the arm used for manipulation) and "-iest" (a superlative suffix indicating the highest degree). The word "handiest" means the most convenient or useful in terms of being able to use one's hands effectively.
Think of the word 'hand' as representing the part of the body that helps you do things easily, and remember that 'handiest' means the most useful or convenient.