a person who is frightened and in need of help; "they prey on the hopes of the desperate"
showing extreme courage; especially of actions courageously undertaken in desperation as a last resort; "made a last desperate attempt to reach the climber"; "the desperate gallantry of our naval task forces marked the turning point in the Pacific war"- G.C.Marshall; "they took heroic measures to save his life"
fraught with extreme danger; nearly hopeless; "a desperate illness"; "on all fronts the Allies were in a desperate situation due to lack of materiel"- G.C.Marshall; "a dire emergency"
showing extreme urgency or intensity especially because of great need or desire; "felt a desperate urge to confess"; "a desperate need for recognition"
desperately determined; "do-or-die revolutionaries"; "a do-or-die conflict"
(of persons) dangerously reckless or violent as from urgency or despair; "a desperate criminal"; "taken hostage of desperate men"
slow to learn or understand; lacking intellectual acuity; "so dense he never understands anything I say to him"; "never met anyone quite so dim"; "although dull at classical learning, at mathematics he was uncommonly quick"- Thackeray; "dumb officials make some really dumb decisions"; "he was either normally stupid or being deliberately obtuse"; "worked with the slow students"
having high relative density or specific gravity; "dense as lead"
hard to pass through because of dense growth; "dense vegetation"; "thick woods"
permitting little if any light to pass through because of denseness of matter; "dense smoke"; "heavy fog"; "impenetrable gloom"
incapable of or resistant to bending; "a rigid strip of metal"; "a table made of rigid plastic"; "a palace guardsman stiff as a poker"; "stiff hair"; "a stiff neck"
designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
characterized by forceful and energetic action or activity; "a vigorous hiker"; "gave her skirt a vigorous shake"; "a vigorous campaign"; "a vigorous foreign policy"; "vigorous opposition to the war"
strong and active physically or mentally; "a vigorous old man who spent half of his day on horseback"- W.H.Hudson
not changeable or subject to change; "a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life"