Small in width or diameter as compared with the length; slim; thin: as, a slender stem or stalk; a slender waist.In zoology, gracile; tenuous; attenuated: specifically noting various animals and some parts of animals.Weak; feeble; slight; lacking body or strength: as, a slender frame or constitution; slender hopes; slender comfort.Meager; small; scant; inadequate: as, slender means; slender alms.Moderate; inconsiderable; trivial.Not amply supplied.In phonography, the opposite of broad or open. Thus, ē and ī are slender vowels.Synonyms Fragile, flimsy, frail.Scanty, sparing, lean.