trained

adjectives

shaped or conditioned or disciplined by training; often used as a combining form

"a trained mind"; "trained pigeons"; "well-trained servants"

trained

antonym

is similar to

trained mentally or physically by instruction or exercise

"the beautiful coordination of his disciplined muscles"; "a disciplined mind"

is similar to

trained in a skill by repetitious practice

"well-drilled in military procedures"

is similar to

(of pets) trained to urinate and defecate outside or in a special place

"housebroken pets"; "`house-trained' is chiefly British"

is similar to

(of children) trained to use the toilet