in-house

UK: /ˌɪnˈhaʊs/

US: /adj. ˈɪnˌhaʊs; adv. -ˈhaʊs/

US: (adj. in′hous′; adv. in′hous′)

WordReference Random House Learner's Dictionary of American English © 2025

in-house /adj. ˈɪnˌhaʊs; adv. -ˈhaʊs/   adj. 

1. using an organization's own staff rather than someone from outside:
   in-house research.

adv. 

2. within an organization's own staff, rather than from outside:
   The ad campaign was created in-house.

WordReference Random House Unabridged Dictionary of American English © 2025

in-house  (adj. in′hous′;adv. in′hous′), adj., adv. 

1. within, conducted within, or utilizing an organization's own staff or resources rather than external or nonstaff facilities:
   in-house research; Was the ad created in-house or by an outside advertising agency?

• 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::

in-house adjective , adverb

1. within an organization or group: an in-house job, the job was done in-house