غفير

In a sentence

• كان حارس البوابة غفيرًا يحمي المكان.

  The gatekeeper was a guard protecting the place.

  غفيرا here describes the character as a diligent and responsible protector, applied to emphasize guarding duties.

• وصل جمع غفير من الناس إلى الساحة للاحتفال.

  A large crowd of people arrived at the square to celebrate.

  غفير modifies جمع here, meaning 'large,' to describe the vastness or multitude of people.

• رأيتُ عددًا غفيرًا من الطيور يحلق عالياً.

  I saw a great number of birds flying high.

  غفير is used to describe 'عدد' (number) to convey the idea of a large quantity.