three's a crowd

Also, two's company, three's a crowd. A third person spoils the ideal combination of a couple, as in No, I won't join you—three's a crowd. This expression, alluding to a third person spoiling the privacy of a pair of lovers, was already a proverb in 1546. For a synonym, see fifth wheel.

Words nearby three's a crowd

three rs, three sheets to the wind, three signs of being, three sisters, three unities, the, three's a crowd, three-a-cat, three-bagger, three-ball match, three-base hit, three-birds