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Goto next slide"Indubitably"

When:

Lookups spiked on June 9, 2011, and have continued for two weeks.

Why:

A contestant on the TV show "So You Think You Can Dance," Brice "Professor Lock" Johnson, used indubitably as his catchphrase – and the judges and other contestants started repeating it. Johnson's dancing did not ultimately survive the competition, but his word choice made a lasting impact.

Indubitably means "unquestionably" or "without any doubt." It shares the root word of "doubt," which you can recognize in the middle of the word.

Photo: Monica Chang