approved
adj.-
1 officially accepted (adj.) B1 Intermediateofficially accepted as being good enough or correct.
having received official sanction or formal confirmation of adequacy.
ExampleYou must use an approved helmet when riding a motorcycle in this city.
ExampleThe project cannot proceed until the committee provides an approved list of vendors who meet the new safety standards.
UsageOften used before a noun to describe equipment, methods, or people that meet a standard.
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2 proven by experience (adj.) C2 Proficiency Archaic Literaryshown to be true or good through experience over a long time.
demonstrated or proven effective through experience or trial.
ExampleThe old doctor used approved methods that had worked for years.
ExampleHe was a man of approved valour, having served with distinction in several difficult campaigns.
Teacher's tipThis sense is rare in modern speech; learners will mostly encounter it in 19th-century literature or historical texts.
- proven
- tested