“slack” in the Douay-Rheims Bible

The word slack appears 8 times in the Douay-Rheims Bible. The first 8 matching verses are shown below.

Josue 18:3 And Josue said to them: How long are you indolent and slack, and go not in to possess the land which the Lord the God of your fathers hath given you?
Psalms 39:18 But I am a beggar and poor: the Lord is careful for me. Thou art my helper and my protector: O my God, be not slack.
Proverbs 18:9 He that is loose and slack in his work, is the brother of him that wasteth his own works.
Ecclesiasticus 4:34 Be not hasty in thy tongue: and slack and remiss in thy works.
Ecclesiasticus 32:15 And at the time of rising be not slack: but be first to run home to thy house, and there withdraw thyself, and there take thy pastime.
Ecclesiasticus 35:22 And the Lord will not be slack, but will judge for the just, and will do judgment: and the Almighty will not have patience with them, that he may crush their back:
Habacuc 2:3 For as yet the vision is far off, and it shall appear at the end, and shall not lie: if it make any delay, wait for it: for it shall surely come, and it shall not be slack.
Acts 9:38 And forasmuch as Lydda was nigh to Joppe, the disciples, hearing that Peter was there, sent unto him two men, desiring him that he would not be slack to come unto them.