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: spy: (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors → 1
Candidate hypernym: nanna: (Norse mythology) wife of Balder → 0
Candidate hypernym: escape wheel: gear that engages a rocking lever → 0
Candidate hypernym: common yellowthroat: an American warbler → 0
Candidate hypernym: automotive technology: the activity of designing and constructing automobiles → 0
Candidate hypernym: timer: a regulator that activates or deactivates a mechanism at set times → 0
Candidate hypernym: footman: a man employed as a servant in a large establishment (as a palace) to run errands and do chores → 0
Candidate hypernym: flounder: any of various European and non-European marine flatfish → 0
Candidate hypernym: smilax: sometimes placed in Smilacaceae → 0
Candidate hypernym: finishing school: a private school for girls that emphasizes training in cultural and social activities → 0
Candidate hypernym: varus: a deformity in which part of a limb is turned inward to an abnormal degree → 0