空闲

Traditional form:

空閒

Pinyin (reading):

kòngxián

Definitions:

• leisure; spare time
• (of a person) free; unoccupied
• (of equipment, rooms etc) unused; idle; vacant

Characters:

• 空 - hollow, empty, deserted, bare
• 闲 - fence, guard; to defend; idle time

Traditional characters:

• 空 - hollow, empty, deserted, bare
• 閒 - leisure, idle time; tranquil, peaceful, calm