a sight —
• to a considerable extent; much.
• "the old lady is a sight cleverer than Sarah"
sight
noun
• a thing that one sees or that can be seen.
• "John was a familiar sight in the bar for many years"
Origin:
Old English (ge)sihth ‘something seen’, of West Germanic origin; related to Dutch zicht and German Gesicht ‘sight, face, appearance’. The verb dates from the mid 16th century (in sight (sense 2 of the verb)).
