Anything slim is thin or narrow. So, your sister may be considered slim, and you could also have "a slim chance" of winning the lottery.
Worthless; bad.
Verb
take off weight
Adjective S.
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"
Adjective S.
small in quantity; "slender wages"; "a slim chance of winning"; "a small surplus"
superl.
Worthless; bad.
superl.
Weak; slight; unsubstantial; poor; as, a slim argument.
superl.
Of small diameter or thickness in proportion to the
height or length; slender; as, a slim person; a slim tree.
Slim
Worthless; bad.
Usage Examples
I never do any television without chocolate. That's my motto and I live by it. Quite often I write the scripts and I make sure there are chocolate scenes. Actually I'm a bit of a chocolate tart and will eat anything. It's amazing I'm so slim.
Misspelled Formslim, aslim, wslim, eslim, dslim, xslim, zslim, alim, wlim, elim, dlim, xlim, zlim, salim, swlim, selim, sdlim, sxlim, szlim, sklim, solim, splim, s:lim, skim, soim, spim, s:im, slkim, sloim, slpim, sl:im, sluim, sl8im, sl9im, sloim, sljim, slkim, slum, sl8m, sl9m, slom, sljm, slkm, slium, sli8m, sli9m, sliom, slijm, slikm, slinm, slijm, slikm, sli,m, sli m, slin, slij, slik, sli,, sli , slimn, slimj, slimk, slim,, slim .
Other Usage ExamplesI'd never really been content with just churning out these slim volumes every three or four years. I've always tried to think of poetry as an active ingredient in the language rather than just something that appears between the covers of thin books.