Handy is an adjective describing an object that is practical and easy to use. It may also describe anything that is close enough so you can reach, or get, it easily. Lastly, it can be used for people who are very skilled at something–especially tasks involving the use of their hands.
This is a really handy blender; it prepares anything from pesto to baby food and mashed potatoes.
The dictionary I bought turned out to be very handy.
When I travel, I like to keep my ticket and passport handy.
Toby has asthma and always needs to keep his medication handy.
Being handy with tools can actually save you a lot of money because you can assemble furniture yourself.
Words often used with handy
Come in handy: A common way to say that something is useful for a specific purpose. Example: I'm bringing an umbrella to the tennis match; I know it will come in handy if it starts raining.
In German, the word handy is used as a noun meaning "cell phone."
A handyman is someone whose job is to fix or set up things in people's houses. If your toilet stops working or you need to mount a TV on your wall, you might call a handyman. Some people think that words like "handyman" or "garbageman" are sexist; it is implied that the person is a man (although in fact, many people with this job really are men). You could also say "handyperson" or "handywoman" but "handyman" is still much more common.
handily (adverb), handiness (noun)
First appeared in Middle English 1275-1325 in family names.