cellular UK /ˈsɛl.ju.lə/US /ˈsɛl.ju.lɚ/adjective 4noun 1forms 3 adjective4 •Of, relating to, consisting of, or resembling a cell or cells. •Light to mid-weight, having a regular cell-like construction with small perforations, generally woven; (of a garment) made of such a fabric.a cellular sports shirt •Using cells (local groups of devices sharing a transceiver).The reason the network can work is that it is cellular: devices within a certain area are connected to a tower that is not far away. •Using such a network. noun1 •(US, informal) A cellular phone (mobile phone).If there's no answer on his office landline then you should call his cellular. formscellulars · more cellular · most cellular