Translation guide
Describes something that exists or happens over a large area or among many people. Japanese uses different expressions depending on whether you are talking about a phenomenon, belief, damage, or physical distribution.
That custom is widespread throughout the country.
Literally 'extends over a wide range'. Often used for effects, influence, or damage.
The typhoon damage was widespread.
Means 'is rampant/spreading'. Often used for diseases or negative things. Can sound formal.
The infectious disease is widespread.
To say that something is widely supported, used, or known by many people.
Directly means 'widely supported'. Natural for opinions, policies, or products.
That policy has widespread support.
Means 'is widespread/common' in the sense of being in general use, like technology or ideas.
Means 'widely known'. Good for facts, stories, or people.
To say that something is physically spread over a large area, like plants, animals, or objects.
The English word 'widespread' does not have a single direct Japanese equivalent. Choose the expression based on what is widespread (belief, damage, distribution, etc.). Using 広い (wide) alone is not enough.
That idea is wide. (incorrect)
Smartphones became widespread rapidly.
That fact is widespread knowledge.
Convenience stores are widespread in this town.