INDEFINITE a. 4 definitions
t; not determined or fixed upon; not precise; uncertain; vague; confused; obscure; as, an indefinite time, plan, etc. It were to be wished that . . . men would leave off that indefinite way of vouching, "the chymists say this," or "the chymists affirm that." Boyle. The time of this last is left indefinite. Dryden.…
AN n.
This word is properly an adjective, but is commonly called the indefinite article. It is used before nouns of the singular number only, and signifies one, or any, but somewhat less emphatically. In such expressions as "twice an hour," "once an age," a shilling an ounce (see 2d A, 2), it has a distributive force, and is…