noun a smaller portion or quantity.
2. less ·conj unless.
3. less ·noun the inferior, younger, or smaller.
4. less ·vt to make less; to lessen.
5. less ·adv not so much; in a smaller or lower degree; as, less bright or loud; less beautiful.
6. less ·adj smaller; not so large or great; not so much; shorter; inferior; as, a less quantity or number; a horse of less size or value; in less time than before.