Adjective slender has 5 senses
  1. slender, slight, slim - being of delicate or slender build; "she was slender as a willow shoot is slender"- Frank Norris; "a slim girl with straight blonde hair"; "watched her slight figure cross the street"
    Antonym: fat (indirect, via thin)
  2. slender, thin - very narrow; "a thin line across the page"
    Antonyms: wide, broad (indirect, via narrow)
  3. slender - having little width in proportion to the length or height; "a slender pole"
    thick (indirect, via thin)
  4. slender, slim - small in quantity; "slender wages"; "a slim chance of winning"; "a small surplus"
    Antonyms: large, big (indirect, via small, little)
    Antonyms: large, big (indirect, via small, little)
  5. lissome, lissom, lithe, lithesome, slender, supple, svelte, sylphlike - gracefully slender; moving and bending with ease
    Antonym: awkward (indirect, via graceful)