qualifierPronunciation: /ˈkwɒlɪfʌɪə(r)/Translate qualifier | into French | into Italian Definition of qualifier noun 1a person or team that qualifies for a competition or its final rounds: he was the fifth-fastest qualifier a match or contest to decide which individuals or teams qualify for a competition or its final rounds: England’s next World Cup qualifier 2 Grammar a word or phrase, especially an adjective, used to attribute a quality to another word, especially a noun. (in systemic grammar) a word or phrase added after a noun to qualify its meaning. qualifier in other Oxford dictionaries Definition of qualifier in the US English dictionary