time-consuming
/tʌɪmk(ə)nˈsjuːmɪŋ
/adjective
Taking a lot of or too much time: an extremely time-consuming process...
- His family wrote down the letters and formed words - a frustrating and time-consuming process.
- Next, there are charitable grants to apply for - always a time-consuming process.
- Editing these files is the most fun, but also the most time-consuming part of the process.