From Longman Dictionary of Contemporary Englishtwo’s company, three’s a crowdthree’s a crowd two’s companytwo’s company, three’s a crowdALONEused to suggest that two people would rather be alone together than have other people with them → part company at part2(4), → present company excepted at present1(6) → companytwo’s company, three’s a crowdthree’s a crowd two’s companytwo’s company, three’s a crowdALONEused to say that it is better to leave two people alone to spend time with each other → two