relating to, occurring on, or involving one side only: unilateral development; a unilateral approach. undertaken or done by or on behalf of one side, party, or faction only; not mutual: a unilateral decision; unilateral disarmament. having only one side or surface; without a reverse side or inside, as a Möbius strip.

What is bilateral in medical terms?

Affecting both the right and left sides of the body.

What does the prefix unilateral mean?

The Latin root, unilateralis, combines the prefix uni, or “one,” with latus, “side,” to make a word that means “one-sided.”