One who is employed, or otherwise engaged in an activity, on a full-time basis.(noun)
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Use "full-timer" in a sentence
"But in this case, it was to defeat WWE full-timer Michelle McCool."
"In the meantime, Joe Baldwin, a benefited full-timer, and my direct supervisor, was gone one day."
"In meetings with White House officials starting last year, numerous employers argued that a one-month average isn't long enough to determine whether a worker is a true full-timer."