noun
a training technique, used especially among runners, consisting of bursts of intense effort loosely alternating with less strenuous activity.
EXAMPLES OF FARTLEK
noun
a recording on a cassette tape, CD, or digital medium, consisting of music or songs selected by a single person.
EXAMPLES OF MIXTAPE
verb
to make objection, especially on the grounds of moral or ethical considerations; take exception.
EXAMPLES OF DEMUR