IPA: //ˈbrɔːdɪst//
KK: /brɔdɪst/
The widest in extent or range; having the greatest width.
The broadest part of the river is where the boats can pass easily.
Comparative: broader
Superlative: broadest
Broadest → It is formed from "broad" (from Old English "brād", meaning wide or spacious) and "-est" (a superlative suffix indicating the highest degree). The word "broadest" means the widest or most spacious in comparison to others.
Think of 'broad' meaning wide, and remember that 'broadest' refers to the widest of all.