This root form (lemma) is used in 5 different forms in the NT: μάταιοι (NMP), μάταιος (NMS), ματαία (NFS), ματαίας (GFS), ματαίων (GNP).
It is glossed in 3 different ways: ‘useless’, ‘useless is’, ‘useless things’.
OET ACTS 14:15 Greek word=ματαίων (mataiōn) Morphology=GNP English gloss=‘useless things’ SR GNT ACTS 14:15 word 26
OET 1COR 3:20 Greek word=μάταιοι (mataioi) Morphology=NMP English gloss=‘useless’ SR GNT 1COR 3:20 word 12
OET 1COR 15:17 Greek word=ματαία (mataia) Morphology=NFS English gloss=‘useless’ SR GNT 1COR 15:17 word 6
OET TIT 3:9 Greek word=μάταιοι (mataioi) Morphology=NMP English gloss=‘useless’ SR GNT TIT 3:9 word 17
OET JAM 1:26 Greek word=μάταιος (mataios) Morphology=NMS English gloss=‘useless is’ SR GNT JAM 1:26 word 23
OET 1PET 1:18 Greek word=ματαίας (mataias) Morphology=GFS English gloss=‘useless’ SR GNT 1PET 1:18 word 13