Ancient Greek lemma · Strong’s G4642
skleros · /sklay-ros'/ — “hard”
hard; harsh; harsh, bitter; Aër; dry; stiff, unyielding; costive; strong; hard, austere; hard words; harsh, austere, cruel, stubborn; stubborn; on a hard seat; hardly, with difficulty; harshly, obstinately
Occurs in 4 New Testament verses