irresistible

adj

1. Impossible to resist.

   “Where the breakdown of traditional authority set the poor of the earth on the march, where they left the obscurity of their misfortunes and streamed upon the market-place, their furor seemed as irresistible as the motion of the stars, a torrent rushing forward with elemental force and engulfing a whole world.”

   “Though his account of written communication over the past 5,000 years necessarily has a powerful forward momentum, his diversions down the fascinating byways of the subject are irresistible: at what point did handwriting begin to express individual personality?”

2. Compellingly attractive.