Main entry: tempered, toughened, treated, hardened
Definition: made hard or flexible or resilient especially by heat treatment
Usage: a sword of tempered steel; tempered glass
Antonyms: unhardened, untempered
Definition: not brought to a proper consistency or hardness
Antonyms: incurable
Definition: incapable of being cured
Main entry: treated
Definition: subjected to a physical (or chemical) treatment or action or agent
Usage: the sludge of treated sewage can be used as fertilizer; treated timbers resist rot; treated fabrics resist wrinkling
Antonyms: untreated
Definition: not subjected to chemical or physical treatment
Main entry: treated
Definition: given medical care or treatment
Usage: a treated cold is usually gone in 14 days; if left untreated it lasts two weeks
Antonyms: untreated
Definition: not given medical care or treatment
Antonyms: unbound
Definition: not restrained or tied down by bonds
Antonyms: unbound
Definition: not secured within a cover
Antonyms: free
Definition: unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion