troublesome

/ˈtrʌbəlsəm/

causing problems

The child was being very troublesome during the flight.

The child was causing a lot of problems during the flight.

formal

causing trouble or problems; difficult to deal with

The new employee found the troublesome software difficult to navigate.

The new employee found the complicated software difficult to use.

Collocations

troublesome childa child who is causing problems

From trouble + -some

trouble

problem

root

-some

causing

suffix

English Dictionary