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"
small in quantity; "slender wages"; "a slim chance of winning"; "a small surplus"
having little width in proportion to the length or height; "a slender pole"
consisting of great mass; containing a great quantity of matter; "Earth is the most massive of the terrestrial planets"
imposing in size or bulk or solidity; "massive oak doors"; "Moore's massive sculptures"; "the monolithic proportions of Stalinist architecture"; "a monumental scale"
imposing in scale or scope or degree or power; "massive retaliatory power"; "a massive increase in oil prices"; "massive changes"
being the same substance throughout; "massive silver"
not widely distributed; "rare herbs"; "rare patches of green in the desert"
not widely known; especially valued for its uncommonness; "a rare word"; "rare books"
(of meat) cooked a short time; still red inside; "rare roast beef"
recurring only at long intervals; "a rare appearance"; "total eclipses are rare events"
marked by an uncommon quality; especially superlative or extreme of its kind; "what is so rare as a day in June"-J.R.Lowell; "a rare skill"; "an uncommon sense of humor"; "she was kind to an uncommon degree"
having low density; "rare gasses"; "lightheaded from the rarefied mountain air"