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A prefix used adjectively and adverbially in the sense of amiss, wrong, ill, wrongly, unsuitably; as, misdeed, mislead, mischief, miscreant.

A title of courtesy prefixed to the name of a girl or a woman who has not been married. See Mistress, 5.

A title of courtesy prefixed to the name of a man or youth. It is usually written in the abbreviated form Mr. To call your name, inquire your where, Or whet you think of Mister Some-one's book, Or Mister Other's marriage or decease. Mrs. Browning.

A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman. Now Mistress Gilpin (careful soul). Cowper.

A prefix signifying one, single, alone; as, monocarp, monopoly; (Chem.) indicating that a compound contains one atom, radical, or group of that to the name of which it is united; as, monoxide, monosulphide, monatomic, etc.

A sentence, phrase, or word, prefixed to an essay, discourse, chapter, canto, or the like, suggestive of its subject matter; a short, suggestive expression of a guiding principle; a maxim. It was the motto of a bishop eminent for his piety and good works, ... "Serve God, and be cheerful." Addison.

A prefix signifying much or many; several; more than one; as, multiaxial, multocular.

A prefix, esp. in the metric system, indicating ten thousand, ten thousand times; as, myriameter.

A proposition by which something is denied or forbidden; a conception or term formed by prefixing the negative particle to one which is positive; an opposite or contradictory term or conception. This is a known rule in divinity, that there is no command that runs in negatives but couches under it a positive duty. South…

A prefix meaning new, recent, late; and in chemistry designating specifically that variety of metameric hydrocarbons which, when the name was applied, had been recently classified, and in which at least one carbon atom in connected directly with four other carbon atoms; -- contrasted with normal and iso-; as, neopentan…

(. (Chem.) A prefix (also used adjectively) designating the group or radical NO, called the nitroso group, or its compounds.

A prefix used in the sense of not; un-; in-; as in nonattention, or non-attention, nonconformity, nonmetallic, nonsuit.

A prefix to Irish family names, which signifies grandson or descendant of, and is a character of dignity; as, O'Neil, O'Carrol.

A prefix signifying to, toward, before, against, reversely, etc.; also, as a simple intensive; as in oblige, to bind to; obstacle, something standing before; object, lit., to throw against; obovate, reversely, ovate. Ob- is commonly assimilated before c, f, g, and p, to oc-, of-, og-, and op-.

A prefix meaning eight. See Octo-.

A prefix, also used adjectively, designating:

A prefix signifying alongside of, beside, beyond, against, amiss; as parable, literally, a placing beside; paradox, that which is contrary to opinion; parachronism.

A prefix used to signify through, throughout, by, for, or as an intensive as perhaps, by hap or chance; perennial, that lasts throughout the year; perforce, through or by force; perfoliate, perforate; perspicuous, evident throughout or very evident; perplex, literally, to entangle very much.

A prefix used to signify around, by, near, over, beyond, or to give an intensive sense; as, perimeter, the measure around; perigee, point near the earth; periergy, work beyond what is needed; perispherical, quite spherical.

A combining form or prefix from Gr. poy`s, podo`s, foot; as, podocarp, podocephalous, podology.