10 letters · 19 points in Scrabble
verb exasperate or irritate
verb make furious
verb make worse
originFirst attested in 1534; borrowed from Latin exasperātus, the perfect passive participle of Latin exasperō (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), from ex (“out of; thoroughly”) + asperō (“to make rough”), from asper (“rough”). Participial usage of the adjective up until Early Modern English.
Etymology from Wiktionary, CC BY-SA 3.0