Inside Definition

ĭn-sīd, ĭnsīd
insides
noun
insides
The part lying within; inner side, surface, or part; interior.
Webster's New World
Inward character, perceptions, or feelings.
Felt good on the inside about volunteering to help.
American Heritage
The part closest to something specified or implied, as the part of a sidewalk closest to the buildings.
Webster's New World
An inner side or surface.
American Heritage
The internal organs of the body, as the stomach and intestines.
Webster's New World
Antonyms:
adjective
Inner; interior.
American Heritage
On or in the inside; internal.
Webster's New World
Relating to, known to, or coming from an exclusive group.
Inside information; an inside joke.
American Heritage
Of or suited for the inside.
Webster's New World
Working or used indoors; indoor.
Webster's New World
adverb
On or to the inside; within.
Webster's New World
On the inner side.
American Heritage
Indoors.
Webster's New World
In prison.
American Heritage
Synonyms:
Antonyms:
preposition
Within the limits of.
Inside an hour.
Webster's New World
In or to the inside or inner part of.
Webster's New World
Into the interior of.
Going inside the house.
American Heritage

Within the interior of something, closest to the center or to a specific point of reference.

He placed the letter inside the envelope.
Wiktionary
idiom
inside out
  • With the inner surface turned out; reversed:

    wore the sweatshirt inside out.

  • As completely as possible; thoroughly:

    knew the city inside out.

American Heritage
on the inside
  • In a position of confidence or influence.
American Heritage
inside of
  • in less than (a specified time or distance); within the space of
Webster's New World
inside out
  • with the inside or the inner surface on the outside; reversed

    a sweater turned inside out

  • thoroughly; completely

    to know a subject inside out

Webster's New World
on the inside
  • in a position allowing access to secret information, special advantage or favor, etc.
  • in one's inner thoughts or feelings
Webster's New World

Other Word Forms of Inside

Noun

Singular:
inside
Plural:
insides

Idioms, Phrasal Verbs Related to Inside

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