Third-person singular simple present indicative form of smack.(verb)
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Use "smacks" in a sentence
"Tobin Frost - the name smacks of airport spy fiction - isn't really the enigma the filmmakers would like you to believe, but Mr. Washington is so good at suggesting deep reserves of cool, moody mystery and smoldering feeling that he keeps you nicely guessing."
"But because the word smacks of "force," "mandate" went unmentioned yesterday — and will likely stay that way."
"CONS: The trapped-in-the-Arctic spin smacks of Carpenter's The Thing."