2. (adj)fantastic, grand, howling(a), marvelous, marvellous, rattling(a), terrific, tremendous, wonderful, wondrous extraordinarily good or great ; used especially as intensifiers Antonyms: little, ordinary, small
1. tremendous That which is formidable is worthy of fear if encountered or opposed; as, a formidable array of troops, or of evidence. Formidable is a word of more dignity than dangerous, and suggests more Synonyms: formidable, dangerous, redoubted, terrible, tremendous Antonyms: contemptible, feeble, harmless, helpless, powerless, weak, despicable