1. (n.) Anything used to steady or stabilize; as, parental involvement is a ballast to child's education.
2. (a.) Any heavy matter put into the car of a balloon to give it steadiness.
3. (a.) Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid.
4. (n.) The larger solids, as broken stone or gravel, used in making concrete.
5. (a.) Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security.
6. (v. t.) To steady, as a vessel, by putting heavy substances in the hold.
7. (v. t.) To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid.
8. (v. t.) To keep steady; to steady, morally.
Thesaurus Entries
balance, break bulk, break out ballast, clear for action, clear the decks, consideration, counterbalance, counterpoise, counterweight, equipoise, equivalent, firm, firm up, freeze, give-and-take, hold, immobilize, keep, lead, makeweight, nail down, offset, pin down, poise, quid pro quo, retain, sandbag, setoff, shift ballast, shoot ballast, something of value, stabilitate, stabilize, steady, stick, tit for tat, transfix, trim, trim ship, trim up, weigh down, weight, weight down, wing out ballast
