bugaboo

English Thesaurus

1. a source of concern (noun.cognition)

hypernym	:	concern, headache, vexation, worry,
definition	:	something or someone that causes anxiety; a source of unhappiness (noun.cognition)

2. an imaginary monster used to frighten children (noun.person)

hypernym	:	monster,
definition	:	an imaginary creature usually having various human and animal parts (noun.person)