Definition of be one's own lookout in English:

be one's (own) lookout

British informal Be a person’s own responsibility or problem: if you can’t take an interest in local affairs, that’s your lookout
More example sentences
  • If one of the party wants to go to bed at nine every night, that is their lookout.
  • If the other man left it too long, that was his lookout.
  • If he chose to ignore it, well then, that was his lookout.
Synonyms
problem, concern, business, affair, responsibility, worry, difficulty
informal pigeon, funeral, headache
See parent entry: lookout

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