Prevalent means widespread, found in many places. A prevalent view, prevalent among young people, increasingly prevalent.
In epidemiology it has a precise counterpart: prevalence is how many people have a condition at a moment, and incidence is how many newly get it — the two are constantly confused in reporting. Elsewhere the word simply means common. Note that the Latin means having greater strength.
1adjectiveprevalentWidespread and found in many places.
“Malaria is still prevalent in many tropical countries.”
synonyms: widespread, common
prevalent is a quality of being common.
Latin praevalens is the participle of praevalere, to have greater power — prae plus valere, to be strong. Value and valiant come from the same strength.
Latin
praevalēns
English, today
prevalent
From Latin praevalēns. by surface analysis, pre- + -valent.
Etymology from Wiktionary, CC BY-SA