lymphatic /lɪmˈfæ.tɪk/adjective 3noun 1forms 3 adjective3 •Pertaining to lymph or the lymphatic system. •Lacking energy or enthusiasm; having characteristics once associated with an excess of lymph: lack of muscle tone, paleness, sluggishness, etc.Who has not marked, where the full cheek should be, Incipient lines of lank flaccidity, Lymphatic pallor where the pink should glow, And where the throb of transport, pulses low?— — 1898 •(no longer used) Madly enthusiastic; frantic. noun1 •A vessel that transports lymph. formslymphatics · more lymphatic · most lymphatic