Term: sleeper: a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
Candidate hypernym: communicator: a person who communicates with others → 1
Candidate hypernym: rubric: an authoritative rule of conduct or procedure → 0
Candidate hypernym: cloven foot: a hoof divided into two parts at its distal extremity (as of ruminants or swine) → 0
Candidate hypernym: myxinidae: slime-producing marine animals: hagfishes → 0
Candidate hypernym: sheriff: the principal law-enforcement officer in a county → 0
Candidate hypernym: harpy: any of various fruit bats of the genus Nyctimene distinguished by nostrils drawn out into diverging tubes → 0
Candidate hypernym: logbook: a book in which the log is written → 0
Candidate hypernym: perspective: the appearance of things relative to one another as determined by their distance from the viewer → 0
Candidate hypernym: gyroscope: rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction → 0
Candidate hypernym: sword cane: a cane concealing a sword or dagger → 0
Candidate hypernym: one-spot: a domino or die whose upward face shows one pip → 0