1. happening or arising or located within some limits or especially surface

- internal organs

- internal mechanism of a toy

- internal party maneuvering

Similar word(s): inner, interior, internecine, intrinsic, inside

2. occurring within an institution or community

Similar word(s): intramural, intragroup

3. inside the country

- the British Home Office has broader responsibilities than the United States Department of the Interior

- the nation's internal politics

Similar word(s): domestic, home, interior, national

4. located inward

- she thinks she has no soul, no interior life, but the truth is that she has no access to it

- an internal sense of rightousness

Similar word(s): inward, inner, interior

5. innermost or essential

- the internal contradictions of the theory

Similar word(s): intrinsic, intrinsical, inner, intimate

Sentences with internal as an adjective:

- We saw the internal compartments

- Her bleeding was internal

- The nation suffered from internal conflicts

- An internal investigation was conducted