afflicted with or marked by anxious uneasiness or trouble or grief; "too upset to say anything"; "spent many disquieted moments"; "distressed about her son's leaving home"; "lapsed into disturbed sleep"; "worried parents"; "a worried frown"; "one last worried check of the sleeping children"
lacking enlightenment or knowledge or culture; "this benighted country"; "benighted ages of barbarism and superstition"; "the dark ages"; "a dark age in the history of education"
overtaken by night or darkness; "benighted (or nighted) travelers hurrying toward home"
amazingly impressive; suggestive of the flashing of lightning; "the skater's dazzling virtuosic leaps"; "these great best canvases still look as astonishing and as invitingly new as they did...when...his fulgurant popularity was in full growth"- Janet Flanner; "adventures related...in a style both vivid and fulgurous"- Idwal Jones
establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"
prove formally; demonstrate by a mathematical, formal proof
obtain probate of; "prove a will"
take a trial impression of
be shown or be found to be; "She proved to be right"; "The medicine turned out to save her life"; "She turned up HIV positive"
the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit"
a task performed or problem solved in order to develop skill or understanding; "you must work the examples at the end of each chapter in the textbook"
systematic training by multiple repetitions; "practice makes perfect"
(usually plural) a ceremony that involves processions and speeches; "academic exercises"
do physical exercise; "She works out in the gym every day"
give a workout to; "Some parents exercise their infants"; "My personal trainer works me hard"; "work one's muscles"