ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ adjective
1. : using or taking up a great deal of time
the development of young clone selections from such seeding material had proved to be rather time-consuming — Farmer's Weekly (South Africa)
2. : wasteful of time
efforts to block legislation may take the form of speech-making, roll-calls, and other time-consuming tactics — W.S.Sayre