—v.t. 1. to form an approximate judgment or opinion regarding the worth, amount, size, weight, etc., of; calculate approximately: to estimate the cost of a college education. 2. to form an opinion of; judge.
—v.i. to make an estimate.
—n. 1. an approximate judgment or calculation, as of the value, amount, time, size, or weight of something.
2. a judgment or opinion, as of the qualities of a person or thing.
3. a statement of the approximate charge for work to be done, submitted by a person or business firm ready to undertake the work.