Comparative form of crooked; more crooked, bent, or curved than something else.
From crooked plus the comparative suffix -er, following regular English adjective inflection patterns, though 'more crooked' is now more common in modern English.
Crookeder is grammatically correct but sounds archaic today—we prefer saying 'more crooked,' showing how English comparative forms are shifting from -er suffixes to 'more' + adjective constructions.
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