complicatedmachine

noun
UK /ˈkɒmplɪkeɪtɪd məˈʃiːn/
US /ˈkɑːmplɪkeɪtɪd məˈʃiːn/

A complicated machine is a machine with many parts that work together in a hard-to-understand way.

The clock in the tower is a complicated machine with hundreds of tiny gears.


OTHER MEANINGS

2. A system or process that is difficult to understand because it has many connected steps.

Filing taxes feels like operating a complicated machine.

3. A person who is hard to figure out because of many conflicting traits.

My uncle is a complicated machine of moods and opinions.

4. A piece of software with many interacting modules that is hard to debug.

The legacy billing system is a complicated machine nobody wants to touch.