n. 1 nil, null, nothing, nought or naught, aught, cipher, Cricket duck, Colloq nix, US goose-egg, nada, niente, Slang Brit (sweet) Fanny Adams or F.A., bugger-all, US zilch Temperatures have remained below zero all day The visiting team won three games, we won zero. 2 (rock) bottom, nadir On a scale of one to ten, she is a zero 3 nobody, nothing, nonentity, Slang US nebbish, bupkis That fellow she married is a real zero
v. 4 zero in on. focus on, pinpoint, fix on, home in on, concentrate on, bring to bear on We zeroed in on the problem and then rapidly found the answer