tight coupling
nounUK /ˌtaɪt ˈkʌplɪŋ/
US /ˌtaɪt ˈkʌplɪŋ/
When two things depend on each other so much that changing one makes the other break.
The tight coupling between the two programs meant that fixing one always broke the other.
RELATED WORDS
OTHER MEANINGS
2. In engineering, a connection that strongly limits the relative motion of two parts.
The tight coupling of the train cars kept them from swaying apart.
3. In physics, a strong interaction between two systems or particles.
Tight coupling between the atoms made the material very hard.
4. A close relationship in which two people or groups rely heavily on each other.
The tight coupling of the two teams made them work as one unit.