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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Smart __: know-it-all:

ALEC: Smart __: know-it-all
ALECK: Smart __ (know-it-all)
ALECKS: Smart ___ (know-it-alls)
ALECK: Smart ___ (know-it-all)
ALEC: Smart ___ (know-it-all)
WISEACRE: Smart-alecky know-it-all