25. οἵτινες. Quippe qui, “seeing that they,” repeats Rom 1:23 with amplification.
τὴν ἀλήθειαν τοῦ θεοῦ. Quite comprehensive = the truth about God and themselves and their relation to Him; so τῷ ψεύδει the false theory or statement of man and GOD which they adopted; cf. 2Th 2:11, 1Jn 2:27.
ἐσεβάσθησαν. Here only in N.T., and O.T. only Hos 10:5 Aq. = they made their objects of worship.
ἐλάτρευσαν. Of full religious service. See Westcott, Hebr. ref. above, Rom 1:9.
παρὰ τὸν κτ., to the neglect of. Winer-M., p. 504; n. the tragic irony of the antithesis.
ὅς ἐστιν εὐλ. κ.τ.λ. Cf. Rom 9:5, 2Co 11:31, in each case a mark of deep emotion.