One who tricks or plays tricks; a practical joker; a prankster(noun)
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Use "tricker" in a sentence
"Dialect differences: This is tricker, but linguists have known forever that Black, Southern, Scots, Irish and many other kinds of English differ from the standard not randomly because their speakers are lazy but systematically."
"The sore hands thing is, of course, because I am working on harder climbs, which means concomitantly smaller and tricker handholds requiring (often) greater force to stick on."
"Rebooking is tricker than ever — as many discovered during the recent snowstorms in the South and Northeast — because airlines have reduced their schedules and are running at capacity."