wicked. evil. See note on Matthew 11:16.
adulterous: spiritually. See Matthew 12:39; Jeremiah 3:9; Ezekiel 23:37, &c.
seeketh. is (constantly) seeking.
Jonas. Jonah. See Matthew 12:39.
Related Commentaries of Matthew 16:4
Matthew 16:4
4 A wicked and adulterous generation seeketh after a sign; and there shall no sign be given unto it, but the sign of the prophet Jonas. And he left them, and departed.