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large; big; great; huge; vast; major; important; serious; severe
great; prominent; eminent; distinguished
-sized; as big as; the size of
university
large (e.g. serving size); large option
long month (i.e. having 31 days)
「大」 has other readings with different meanings.
昨日の夜に大きな地震が発生して驚いた。
A major earthquake occurred yesterday.
プロジェクトは大成功を収めて皆が喜んでいる。
I'm happy to have achieved great success.
彼は大企業で管理職として働いている。
He works for a large company.