stiff
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
hard: P. and V. στερεός, Ar. and V. στερρός, V. στυφλός, περισκελής.
not moving easily: P. δύσφορος.
grow stiff or numb: see numb.
firm, stubborn: P. and V. σκληρός, αὐθάδης.
formal, ceremonious: P. and V. σεμνός.
difficult: Ar. and P. χαλεπός.