adj.
Pronunciation: ˌ a-p ə -si- ' ma-tik
Function: adjective
Etymology: apo- + Greek s ē mat-, s ē ma sign
Date: 1890
: being conspicuous and serving to warn < aposematic coloration in butterflies>
– apo · se · mat · i · cal · ly \ -ti-k( ə -)l ē \ adverb