agnate n one related on the father's side s related on the father's side Usage(s) hybrid of insect and agnate comes to mind. Synonyms: agnate, akin, alike, analogous, answering, comparable, complementary, consonant, correlative, correspondent, coterminous, identical, interrelated, kin, kindred, like . Synonym(s) patrikin patrilineal kin patrisib patrilineal sib agnatic paternal