A qualifier is someone or something that successfully meets the requirements to advance to the next stage of a competition. When a sprinter finishes in the top three at regional track championships, she becomes a qualifier for the state meet. When a debate team wins their preliminary rounds, they're qualifiers for the national tournament.

The word comes from the verb qualify, which means to prove you have what it takes. A gymnast must qualify for the Olympics by achieving certain scores at earlier competitions. Those who succeed are the qualifiers, the ones who earned their spot through skill and performance.

In grammar, a qualifier is a word or phrase that limits or modifies the meaning of another word. When you say “fairly easy” instead of just “easy,” the word “fairly” is a qualifier that makes your statement more precise and accurate. Other common qualifiers include words like “somewhat,” “very,” “mostly,” and “almost.” These words help us communicate more exactly: there's a difference between saying a test was “impossible” and saying it was “nearly impossible.”

People sometimes use “qualifier” to mean a statement that adds conditions or limitations, like when someone says “I liked the movie, with the qualifier that the ending felt rushed.”