/ ˈsɪndrəʊm; NAmE -droʊm/ noun
1.
a set of physical conditions that show you have a particular disease or medical problem :
PMS or premenstrual syndrome
This syndrome is associated with frequent coughing.
—see also AIDS , Down's syndrome , economy class syndrome , sick building syndrome , Tourette's syndrome
2.
a set of opinions or a way of behaving that is typical of a particular type of person, attitude or social problem :
With teenagers, be prepared for the 'Me, me, me!' syndrome (= they think of themselves first) .
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WORD ORIGIN
mid 16th cent.: modern Latin , from Greek sundromē , from sun- together + dramein to run.