dɪsˈdʒʌŋkt ˈaɪsəleɪtɪd progressing melodically by intervals larger than a major second used of distributions, as of statistical or natural populations disjunct distribution of king crabs marked by separation of or from usually contiguous elements little isolated worlds, as abruptly disjunct and unexpected as a palm-shaded well in the Sahara having deep constrictions separating head, thorax, and abdomen, as in insects