interiority

UK: /ɪnˌtɪərɪˈɒrɪtɪ/

Collins Concise English Dictionary © HarperCollins Publishers::

interiority / ɪnˌtɪərɪˈɒrɪtɪ/ noun

1. the quality of being focused on one's inner life and identity

WordReference Random House Learner's Dictionary of American English © 2026

in•te•ri•or /ɪnˈtɪriɚ/   adj. [before a noun]

1. located within or inside;
   inner:
   an interior view.
2. situated inland from the coast or border:
   the interior regions of Tanzania.

n. [countable]

3. the internal or inner part;
   inside:
   the interior of a watermelon.
4. Architecture the inside of a building, etc.:
   roomy interiors.
5. the inland parts of a region, etc.:
   [usually singular* usually: the + ~] How far into the interior should we go?

WordReference Random House Unabridged Dictionary of American English © 2026

in•te•ri•or  (in tēr′ē ər), adj. 

1. being within; inside of anything;
   internal;
   inner;
   further toward a center:
   the interior rooms of a house.
2. of or pertaining to that which is within;
   inside:
   an interior view.
3. situated well inland from the coast or border:
   the interior towns of a country.
4. of or pertaining to the inland.
5. Government domestic:
   interior trade.
6. private or hidden;
   inner:
   interior negotiations of the council.
7. pertaining to the mind or soul;
   mental or spiritual:
   the interior life.

n. 

8. the internal or inner part;
   inside.
9. Architecture
   • Architecture the inside part of a building, considered as a whole from the point of view of artistic design or general effect, convenience, etc.
   • Architecture a single room or apartment so considered.
10. a pictorial representation of the inside of a room.
11. the inland parts of a region, country, etc.:
    the Alaskan interior.
12. Government the domestic affairs of a country as distinguished from its foreign affairs:
    the Department of the Interior.
13. the inner or inward nature or character of anything.
14. Mathematics the largest open set contained in a given set, as the points in a circle not including the boundary.

• Latin, comparative adjective, adjectival equivalent. to inter- inward + -ior comparative suffix; see exterior
• 1480–90

in•te•ri•or•i•ty  (in tēr′ē ôr′i tē, -or′-), n.  in•te′ri•or•ly, adv. 
Synonyms

• 8. See inside. 

Antonyms

• 1, 8. exterior.