unwarrantable intrusion

See: nuisance
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References in classic literature ?
So solemn was it, so impressive, that the buzz and rattle of our motor-car seemed an unwarrantable intrusion, an indecent disregard of this reverent stillness which lay like a pall over and round the ruins of humanity.
Trevelyan has told you of this most unwarrantable intrusion into my rooms."
or else I shall be obliged to inform my master of your designs; and he'll take measures to secure his house and its inmates from any such unwarrantable intrusions!'