adjective

leading

leading, main, principal, foremost

He is a leading expert in his field.

He is a leading expert in his field.

She played the leading role in the film.

She played the leading role in the film.

((leading)) ((noun)) used before a noun to describe it as the most important or successful He is a leading scientist.

Synonyms: main, principal, foremost, chief; Antonyms: minor, subordinate

From the verb 'to lead'. The '-ing' form is used as an adjective.

A 'leading' person or thing is the one that 'leads' the others in importance or position.

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