'Fail' in the Bible

When you make a promise to God, don't fail to keep it, since he isn't pleased with fools. Keep what you promise

Always keep your garments white, and don't fail to anoint your head.

Even when a fool walks along the road, his [common] sense and good judgment fail him and he demonstrates to everyone that he is a fool.

Otherwise, when the sun, daylight, moon, or stars turn dark, or when clouds fail to return after the rain

Also when they shall be afraid of that which is high, and fears shall be in the way, and the almond tree shall flourish, and the grasshopper shall be a burden, and desire shall fail: because man goeth to his long home, and the mourners go about the streets: