Partial or biased in favour of one faction or demographic group. / With one competitor dominant over the other. / Out of proportion or lopsided. / Having only one side, like a Möbius strip.

(organic chemistry) That part of a molecule attached to some core structure; a radical.

(audio) To use auxiliary audio input in that manner.

(idiomatic) An issue or topic which is not of direct significance to a primary concern.

Alternative form of blindside

(idiomatic) Positively; from a favorable view or perspective.

A note or notation made in a side margin. / A minor related mention, made as an aside, or afterthought.

(cricket) The side of the pitch on the same side as the batsman's legs as he takes his stance at the wicket; the left side for a right-handed batsman.

(cricket) The side of the pitch away from the batsman's legs as he takes his stance at the wicket; the right side for a right-handed batsman. / (horsemanship) The right-hand side of a horse.

(economics) Regarding the supply side of the economy.