#1
sideline n. [
out of bounds] a line that marks the side boundary of a playing field
. wn #2
sideline v. remove from the center of activity or attention; place into an inferior position; "The outspoken cabinet member was sidelined by the President"
. wn #3
sideline n. an auxiliary line of merchandise
. wn #4
sideline n. [
avocation, by-line, hobby, pursuit, spare-time activity] an auxiliary activity
. wn