(lengthier, lengthiest)
1.
You use ~ to describe an event or process which lasts for a long time.
...a ~ meeting.
...the ~ process of filling out passport application forms.
ADJ: usu ADJ n
2.
A ~ report, article, book, or document contains a lot of speech, writing, or other material.
...a ~ report from the Council of Ministers...
ADJ: usu ADJ n