Largely

Largely means ‘almost completely’:

• The downturn in the economy in the 1970s was largely due to oil prices.

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We don’t use largely to mean ‘enormously’, ‘greatly’ or ‘significantly’:

• Traffic flows in the city centre have been greatly improved by the opening of the new ring road.
• Not: … have been largely improved …

We don’t use largely to mean ‘widely’ or ‘by many people’:

• This issue has been widely debated in recent years.
• Not: … has been largely debated …