/ θiˈætrɪkl; NAmE / adjective
1.
[ only before noun ] connected with the theatre :
a theatrical agent
2.
(often disapproving ) ( of behaviour ) exaggerated in order to attract attention or create a particular effect :
a theatrical gesture
► the·at·ri·cal·ly / -kli; NAmE / adverb
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WORD ORIGIN
mid 16th cent.: via late Latin from Greek theatrikos (from theatron theatre) + -al .