Longsuffering -- God's righteous anger is slow to be kindled against those who fail to listen to His warnings or to obey His instructions. The eternal longing for the highest good for His creatures holds back His holy justice.
‘The LORD is slow to anger, abounding in love and forgiving sin and rebellion. Yet he does not leave the guilty unpunished; he punishes the children for the sin of the parents to the third and fourth generation.’
'The Lord is not slow in keeping his promise, as some understand slowness. Instead he is patient with you, not wanting anyone to perish, but everyone to come to repentance.'
2 Peter 3:9