constructing or tending to construct or improve or promote development; "constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission"
emphasizing what is laudable or hopeful or to the good; "constructive criticism"
having or showing or requiring special skill; "only the most skilled gymnasts make an Olympic team"; "a skilled surgeon has many years of training and experience"; "a skilled reconstruction of her damaged elbow"; "a skilled trade"
having or put to a practical purpose or use; "practical mathematics"; "practical applications of calculus"
concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art"
a commercially sponsored ad on radio or television
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid"
of or relating to commercialism; "a commercial attache"; "commercial paper"; "commercial law"
capable of being shaped or bent or drawn out; "ductile copper"; "malleable metals such as gold"; "they soaked the leather to made it pliable"; "pliant molten glass"; "made of highly tensile steel alloy"
preserve with sugar; "Mom always conserved the strawberries we grew in the backyard"
use cautiously and frugally; "I try to economize my spare time"; "conserve your energy for the ascent to the summit"
keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts"
keep constant through physical or chemical reactions or evolutionary change; "Energy is conserved in this process"