1
empty nest
2
empty house;empty home
3
burglary (of an empty house);burglar (who targets empty houses);sneak thief;prowler
See also:
空き巣狙い (あきすねらい)
空巣にやられた。
Our house was robbed while we were away.
Other forms
空巣 【あきす】 · 明き巣 【あきす】