I . a.
1.
Strong, powerful, robust, vigorous, sturdy, puissant, courageous, valiant, valorous, bold, able.
2.
Strong, powerful, potent, puissant.
3.
Vast, enormous, immense, huge, stupendous, monstrous, very great.
4.
Violent, vehement, impetuous, tempestuous.
5.
Forcible, efficacious, effective.
6.
Important, momentous, very great.
7.
Wonderful, powerful.
8.
Excellent, high.
II . ad.
( Colloq. ) Very, in a great degree.