Third-person singular simple present indicative form of side.(verb)
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Use "sides" in a sentence
"The second half saw the two sides come out to a furious pace that showed the two sides´ contrasting styles."
"The unification of a unit, enclosed in four sides, _with those sides_ can only be accomplished by either having the mass of the figure touch the sides of the canvas, or stretch toward them with that intent."
"This was the reading of this passage [ravishing sides] in all the editions before that of Mr. Pope, who for _sides_, inserted in the text"