8 letters · 9 points in Scrabble
verb leave someone who needs or counts on you; leave in the lurch
verb reduce in population
verb cause extensive destruction or ruin utterly
originFrom Middle English desolaten (“to desolate”), from desolat(e) (“desolate”), from Latin dēsōlātus, perfect passive participle of dēsōlō (“to leave alone, make lonely, lay waste, desolate”), see -ate (verb-forming suffix) for more.
Etymology from Wiktionary, CC BY-SA 3.0