From Longman Dictionary of Contemporary Englishslenderslen‧der /ˈslendə $ -ər/ ●○○ adjective 🔊 🔊 1THIN PERSONTHIN OBJECT OR MATERIALthin in an attractive or graceful way syn slim 🔊 She is slender and stylish. 🔊 Laura’s tall, slender figureslender legs/arms/fingers etc► see thesaurus at thin2LITTLE/NOT MUCHsmall or very limited in amount or size syn slim 🔊 The company only has a slender hope of survival. 🔊 The Republicans won the election by a slender majority. 🔊 We had to make the most of our rather slender resources. —slenderness noun [uncountable]RegisterSlender sounds rather literary. In everyday English, people usually say slim or thin:I don’t know how she stays so slim.