Story highlights Trump's nicknames for foes have been mainstays in campaign speeches

Trump had softened his attacks on Ted Cruz after winning New York

Washington (CNN) So much for the pivot: Donald Trump is back to denouncing "Lyin' Ted."

The Republican presidential front-runner had softened his attacks on his chief rival, Texas Sen. Ted Cruz, on Tuesday night in New York City following his crushing primary victory in the Empire State.

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He dropped his usual moniker for Cruz, and instead included an honorific as he referred to "Senator Cruz," part of a soberer speech in Trump Tower celebrating his win.

On Wednesday afternoon in Indianapolis, though, it was "Lyin' Ted" again.

Less than three minutes into his speech, Trump was blasting Cruz and repeating "Lyin' Ted."