adj (Clothing & Fashion) (of a hat) having a broad brimThesaurus
Adj.
1.
broad-brimmed - (of hats) having a broad brimbroad, wide - having great (or a certain) extent from one side to the other; "wide roads"; "a wide necktie"; "wide margins"; "three feet wide"; "a river two miles broad"; "broad shoulders"; "a broad river"