Third/θɜːrd/ Definition 1 of 3Pro Tip 1/3Ordinal Usage Used to represent position in a sequence; not just in numbers but in situations. He was the third to speak at the conference. Pro Tip 2/3Podium Finish Often used in sports to describe winning bronze, not just physical position. She was thrilled to finish third in the race. Pro Tip 3/3Hierarchy Implies a rank or level in an ordered system, can be status or preference. Biodiesel is the third most popular fuel.