-thē, -thi adjective
( -er/-est )
1.
a. : protracted excessively or tediously : overlong — used of written or spoken expression
lengthy and histrionic discussions — New York Times
b. : unduly copious : prolix — used of a speaker or writer
must not be lengthy
2. : extended , long
no very lengthy journey was involved — Allan Fraser
twirled his lengthy key chain — Don Davis
a lengthy debate