Learner's definition of SLENDER
[also more slender; most slender]
1 a : thin especially in an attractive or graceful way b : very narrow : not wide 2 : small or limited in amount or size
The President has a slender [=narrow, slim] lead in the polls. = The President leads by a slender margin in the polls.
(formal) young people of slender means [=young people who do not have much money]