handy

Concise Oxford English Dictionary © 2008 Oxford University Press:
handy/ˈhandi/

▶adjective (handier, handiest)

• 1 convenient to handle or use; useful.

• 2 ready to hand.

  ■ placed or occurring conveniently.

• 3 skilful: I'm handy with a needle.

▶noun (pl. handies) (in Europe) a mobile phone.

– phrases
come in handy informal turn out to be useful.

– derivatives
handily adverb,
handiness noun.