Good
Good adjective - Having or showing exceptional knowledge, experience, or skill in a field of endeavor.
Usage example: he's good at math
Qualified is a synonym for good in ability topic. In some cases you can use "Qualified" instead an adjective "Good", when it comes to topics like capable, proficient, competent.
Qualified
Qualified adjective - Having the required skills for an acceptable level of performance.
Usage example: the candidate has demonstrated that he is amply qualified for the position
Good is a synonym for qualified in ability topic. Sometimes you can use "Good" instead an adjective "Qualified", if it concerns topics such as proficient, able.
Mutual synonyms
Both words in one sentence
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Crouching Moron, Hidden Badass: Youji may be an huge Otaku but there is a good reason he's in command of the squad other than he knowledge of all things fantasy seeing as he's a qualified JSDF Ranger and was once part of the Special Operations Group where he received the codename "Avenger".
Source: Literature / Gate -
Unlike Jack he isn't crazy enough to be qualified as chaotic and is barely good or evil.
Source: True Neutral - Mike was quite impressed, not that it stopped him from delivering some good-natured teasing about what things he would be qualified to do.
Source: Universal Driver's License
Cite this Source
Qualified and Good. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/good/qualified
Good & Qualified. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/good/qualified>.
Qualified or Good. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/good/qualified.
Google Ngram Viewer shows how "good" and "qualified" have occurred on timeline