greatly

Very large in size.

Larger in size than others of the same kind.

Large in quantity or number: A great throng awaited us. See Synonyms at large.

Extensive in time or distance: a great delay.

Remarkable or outstanding in magnitude, degree, or extent: a great crisis.

Of outstanding significance or importance: a great work of art.

Chief or principal: the great house on the estate.

Superior in quality or character; noble: "For he was great, ere fortune made him so" (John Dryden).

Powerful; influential: one of the great nations of the West.

Eminent; distinguished: a great leader.

Grand; aristocratic.

Informal Enthusiastic: a great lover of music.

Informal Very skillful: great at algebra.

Informal Very good; first-rate: We had a great time at the dance.

Being one generation removed from the relative specified. Often used in combination: a great-granddaughter.

Archaic Pregnant.

pl. greats or great One that is great: a composer considered among the greats.

Music

1. A division of most pipe organs, usually containing the most powerful ranks of pipes.

2. A similar division of other organs.