The Teddy Bear Cholla cactus has a formidable arrangement od spines. The champion faces a formidable opponent in tonight's match.
The formidable team caused weak knees to the opponents.
'The company director was a formidable man, so employees were always cautious when addressing him.'
She is a highly capable attorney, and will no doubt make a formidable opponent.The wind was formidable, and though I paddled forward as hard as I could, I was being blown backward slowly but...
the wind was formidable last night.