- Ejtaal Arabic Almanac: Lane's Lexicon, Hans Wehr, Lisan al-Arab and others
- Perseus: Lane's Lexicon (in text format)
- 1 times as proper noun yśrb
and when some of them said, O you people of Yathrib! You cannot withstand [the enemy] here:* hence, go back [to your homes]!" Whereupon a party from among them asked leave of the Prophet, saying, Behold, our houses are exposed [to attack]!" The while they were not [really] exposed: they wanted nothing but to flee.