(adj): composed of thin flat plates resembling a knife blade
(adj): long and slender with a very small internal diameter
(adj): flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)
(adj): flattened downward as if pressed from above or flattened along the dorsal and ventral surfaces
(adj): so thin as to transmit light
(adj): thin in diameter; resembling a thread
(adj): thin in thickness or diameter
(adj): very thin and insubstantial
(adj): extremely fine or thin, as in a spectral line split into two or more components
(adj): thin as paper
(adj): thin and paperlike
(adj): long and thin; resembling a ribbon
(adj): of cloth; thin and loosely woven
(adj): having little width in proportion to the length or height
(adj): very thin in gauge or diameter
(adj): very thin
(adj): vs. fat), lean -- (lacking excess flesh
(adj): suffering from anorexia nervosa; pathologically thin
(adj): very thin especially from disease or hunger or cold
(adj): characteristic of the bony face of a cadaver
(adj): tall and thin
(adj): long and lean
(adj): having a lean and bony physique
(adj): resembling a reed in being upright and slender
(adj): thin as a twig
(adj): resembling a scarecrow in being thin and ragged
(adj): being very thin
(adj): lean and wrinkled by shrinkage as from age or illness
(adj): being of delicate or slender build
(adj): having a small waist
(adj): thin and fit
(adj): having long slender legs
(adj): lean and sinewy
(adj): thin and weak
(adj): very narrow
(adj): vs. wide) -- (not wide
(adj): not dense
(adj): vs. concentrated) -- (spread out or scattered about or divided up
(adj): vs. thick) -- (relatively thin in consistency or low in density; not viscous
(adj): having thin consistency
(adj): having low density
(adj): vs. full) -- ((of sound) lacking resonance or volume
(adj): not full or rich
(adj): lacking spirit or sincere effort
(adj): vs. spirited) -- (lacking ardor or vigor or energy
(adj): lacking substance or significance
(adj): vs. significant), unimportant -- (devoid of importance, meaning, or force
(v): lose thickness; become thin or thinner
(v): undergo a transformation or a change of position or action
(v): make thin or thinner
(v): cut down on; make a reduction in
(v): lessen the strength or flavor of a solution or mixture
(v): lessen the strength of
(v): take off weight
(v): undergo a transformation or a change of position or action
(adv): without viscosity