zero, absolute zero, aught, blank, boiling point, concentrate on, dew point, duck, dud, dummy, fix on, focus on, freezing point, goose egg, hollow man, home in on, insignificancy, jackstraw, lay figure, man of straw , melting point, nada, nadir, naught, nebbish, nichts, nihil, nil, nix, no such thing, nobody, nonentity, nothing, nothing at all, nothing on earth, nothing whatever, nought, null, nullity, pinpoint, puppet, pushover, recalescence point, rock bottom, temperature, thing of naught, trifle, void, whiffet, whippersnapper, zero in on, zilch