Weedy/ˈwiːdi/ Definition 1 of 2Pro Tip 1/3Physical Weakness Weedy implies more than being thin; it suggests a lack of strength or robustness. After his illness, he returned to school looking pale and weedy. Pro Tip 2/3Negative Connotation Using 'weedy' to describe a person can sound insulting or belittling. Calling the new recruit 'weedy' hurt his confidence. Pro Tip 3/3Not for Groups Weedy is used for individuals, not groups. Instead, say 'a group of frail people'. The young athlete stood out against his weedy opponent.