Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
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Multi-word Results
open secret something supposed to be secret but actually widely known.
secret agent a person who performs acts of espionage and other undercover operations, esp. for a government.
secret police a police force that conducts undercover operations designed to discourage opposition to the government.
secret service a government service that conducts espionage and other undercover operations so as to gain knowledge of, and often to frustrate the activities of, hostile individuals, groups, and governments. [2 definitions]
secret society an organized group that keeps some of its activities or rituals secret from nonmembers.
top-secret of or pertaining to the strictest security classification set by a national government to limit access to materials, locations, or information.
trade secret something such as a formula, device, or process that is the guarded property of only one business or individual and provides an advantage over competitors in afield.