from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation inch
  • preposition Within the limits, bounds, or area of.
  • preposition From the outside to a point within; into.
  • preposition To or at a situation or condition of.
  • preposition Having the activity, occupation, or function of.
  • preposition During the act or process of.
  • preposition With the arrangement or order of.
  • preposition After the style or form of.
  • preposition With the characteristic, attribute, or property of.
  • preposition By means of.
  • preposition Made with or through the medium of.
  • preposition With the aim or purpose of.
  • preposition With reference to.
  • preposition Used to indicate the second and larger term of a ratio or proportion.
  • adverb To or toward the inside.
  • adverb To or toward a destination or goal.
  • adverb Sports So as to score, as by crossing home plate in baseball.
  • adverb Within a place, as of business or residence.
  • adverb So as to be available or under one's control.
  • adverb So as to include or incorporate.
  • adverb So as to occupy a position of success or favor.
  • adverb In a particular relationship.
  • adjective Located inside; inner.
  • adjective Incoming; inward.
  • adjective Holding office; having power.
  • adjective Currently fashionable.
  • adjective Concerned with or attuned to the latest fashions: synonym: fashionable.
  • adjective Relating to, understandable to, or coming from an exclusive group.
  • noun One that has position, influence, or power.
  • noun Informal Influence; power.
  • idiom (in for) Guaranteed to get or have.
  • idiom (in on) Informed about; participating in.
  • idiom (in that) For the reason that.

from The Century Dictionary.

  • noun A person in office; specifically, in politics, a member of the party in power.
  • noun A nook or corner; used chiefly in the phrase ins and outs.
  • noun Hence— All the details or intricacies of a matter: as, the ins and outs of a question.
  • noun An obsolete spelling of inn.
  • noun In chem., the symbol for indium.
  • noun An abbreviation of inch or inches.
  • To get in; take or put in; house.
  • A Latin preposition. cognate with English in.
  • noun A prefix of Anglo-Saxon origin, being the preposition and adverb in so used.
  • noun A prefix of Latin origin, being the Latin preposition in so used.
  • noun A prefix of Latin origin, having a negative or privative force, ‘not, -less, without.’
  • noun A suffix of Latin (or Greek) origin forming, in Latin, adjectives, and nouns thence derived, from nouns, many of which formations have come into or are imitated in modern Latin and English.


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old English; see en in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Old English in, from Proto-Germanic *in (whence German in, Dutch in, Danish i), ultimately from Proto-Indo-European *en, whence also ultimately Latin in, Irish i, Welsh yn, Ancient Greek ἐν (en) (modern Greek εν), Old Armenian ի (i), Old Church Slavonic vŭ(n)-, Russian в, Old Prussian en, Lithuanian į.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Abbreviation of inch.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Old English inne


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  • In. Chemical element symbol for Indium.

    December 16, 2007

  • from

    July 23, 2009