In

Part of speech: preposition, adverb, adjective, noun

Definitions

1. Positioned within the boundaries of a space or area ; moving toward the inside of a place or arriving home ; currently fashionable or popular with people ; an advantageous connection or personal influence
2. Located inside the boundaries of something ; heading toward the interior or arriving at a destination ; trendy and admired by the public at present ; a useful acquaintance or sway with those who hold power
3. Enclosed by or contained within a particular boundary ; entering a space or reaching home ; stylish and popular at the moment ; a helpful connection giving someone access or leverage

Etymology: The English "in" is one of the oldest words in the language, and it has barely changed shape in more than a thousand years. Its ancestry runs back to a Proto-Indo-European root that meant something like "in" or "on," and it passed into Germanic and then Old English essentially intact. Because it was never borrowed from another language, it is a rare example of a core English word whose form has survived unchanged from the earliest records. What makes "in" remarkable is how many jobs it took on. The same root split into several uses that English still carries: as a preposition it signals location ("in the box") and, in its "into" sense, movement toward a place. Its related grammatical role in the adverb and adjective senses, as in "the fire is in" or "an in crowd," grew out of the same spatial core, shifting from physical enclosure to status and access. Over the centuries, the word moved from describing where something was to describing whether something was fashionable, acceptable, or inside a circle.

Synonyms: inside, within

Antonyms: out, outside