(あそ)

あそび
noun
play; game; amusement
1. play, playing, game
The activity of playing, especially for children.
子供(こども)(あそ)
Children's play
I like playing outdoors.
The children are absorbed in play.
2. amusement, fun, recreation
Activities done for enjoyment rather than work.
Please come over to hang out.
Common invitation
The balance between work and play is important.
I often go out with friends for fun on weekends.
3. slack, play (mechanical)
A small amount of looseness in a mechanism.
ハンドル(あそ)ある
There's play in the steering wheel.
Mechanical slack
There's too much play in the brakes.
It's better to have a little slack in this screw.

(あそ)び is a noun derived from the verb (あそ)ぶ. It covers a wide range from children's play to adult recreation, and even mechanical slack.

COMMON EXPRESSIONS:

  • (あそ)びに()く: to go out for fun, to visit someone casually
  • (あそ)びに()る: to come over (casually)
  • (あそ)相手(あいて): playmate, companion
  • (あそ)(): playground
  • (あそ)半分(はんぶん): half in play, not serious

IMPORTANT USAGE:
(あそ)びに()く/()る is one of the most common casual expressions in Japanese. It means "to go/come visit" or "to go/come hang out" — much broader than English "play." Adults use it freely for casual socializing.

MECHANICAL SENSE:
In engineering contexts, (あそ)び means "play" or "slack" — the looseness in a mechanism like a steering wheel or brake. ハンドルに(あそ)びがある (There's play in the steering wheel).

NUANCE:
In some contexts, (あそ)び can imply frivolity or not taking things seriously: (あそ)びじゃない (This isn't a game).

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