Maintain (?), v. t. [imp. & p. p. Maintained (?); p. pr. & vb. n. Maintaining.] [OE. maintenen, F. maintenir, properly, to hold by the hand; main hand (L. manus) + F. tenir to hold (L. tenere). See Manual, and Tenable.] 1. To hold or keep in any particular state or condition; to support; to sustain; to uphold; to keep up; not to suffer to fail or decline; as, to maintain a certain degree of heat in a furnace; to maintain a fence or a railroad; to maintain the digestive process or powers of the stomach; to maintain the fertility of soil; to maintain present reputation.
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2. To keep possession of; to hold and defend; not to surrender or relinquish.
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God values . . . every one as he maintains his post. Grew.
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3. To continue; not to suffer to cease or fail.
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Maintain talk with the duke. Shak.
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4. To bear the expense of; to support; to keep up; to supply with what is needed.
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Glad, by his labor, to maintain his life. Stirling.
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What maintains one vice would bring up two children. Franklin.
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5. To affirm; to support or defend by argument.
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It is hard to maintain the truth, but much harder to be maintained by it. South.
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Syn. -- To assert; vindicate; allege. See Assert.
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