prep. [A-S., Goth., Ger., & D. in, Icel., Sw., & Dan. i, allied to Lat. in, Gr. ἐν; adv. Goth. & Icel. inn, Sw. in, Dan. ind, Ger. in, ein.] Within; inside of; surrounded by; not outside of;—used to indicate a variety of relations; especially, (a.) Presence or situation within limits, whether of place, time, or circumstances; inclosure by something regarded as surrounding, standing about, retaining, including, or the like;—opposed to out of, or from; as, in the house; in the city; in the hour; in the year; in sickness; in health. “In most cases, very consistent.” Smalridge. “In all likelihood.” Collier.
Nine in ten of those who enter the ministry are obliged to enter. Swift.
(b.) Existence or activity, as a part or constituent of; by the means or agency of; in a quality or relation of; in the midst or in possession of; in respect to, or consideration of; on account of; according to; and the like; as, it is not in gold to be oxidized; it is not in man to resist such appeals. (c.) Entrance with respect to a new state, condition, or sphere of activity;—used instead of into; as, to put in operation.
In blank (Law), with the name only;—a term applied to the indorsement of a bill or note by merely writing on it the indorser’s name.—In that, because; for the reason that. “Some things they do in that they are men; some things in that they are men misled and blinded with error.” Hooker.—In the name of, in behalf of; on the part of; by authority; as, it was done in the name of the people;—often used in invocation, swearing, praying, and the like.—To be or keep in with. (a.) To be close or near; as, to keep a ship in with the land. (b.) To be on terms of friendship, familiarity, or intimacy with; to secure and retain the favor of. [Colloq.]
☞ In is often used for into, and without the noun to which it properly belongs; as, he cares not who is in or who is out, that is, in office or out of office; come in, that is, into the house or other place; he has or will come in, that is, into office; a vessel has come in, that is, into port, or has arrived.