They have definitive dates for completion and failure to do so can result in a lot of hassles, or even spoil the whole deal. (ereb.com)
Lauren's been featured on BRAVO, EXTRA, VH1, OXYGEN, NBC, KTLA and FOX, and authored Dating, Mating, and Manhandling: The Ornithological Guide to Men (Crown 2006) which met with international acclaim as the «definitive dating guide for modern woman.» (cupidspulse.com)
Pressed on human landings on Mars and asteroids, Bolden said it was too early to give definitive dates. (sciencemag.org)