Multiple choice Directions: Choose the correct synonym for the key word. Adamant Inflexible Responsive Yielding Pliant Reveal answer Fill a bubble to check yourself A Correct answer Explanation Adamant means unyielding, inflexible, or refusing to change position. It comes from Greek legend of adamant - an unbreakable stone. Responsive, yielding, and pliant all represent flexibility or compliance, which are opposites.