Question 256: Is it permissible to use the phrase “by chance”, such as saying, “I went to the market and met so-and-so by chance”? Is this phrase “by chance” Haraam (prohibited) or does it entail Shirk (associating others with Allaah in His Divinity or worship)? What should I say instead of this? Please, advise me, may Allaah reward you with the best!
Answer: It is neither Haraam to say, “I met so-and-so by chance” nor does it entail Shirk because what the speaker means is that they met that person without a prior plan to meet and without intending to do so. Hence, there is nothing wrong with using this phrase... read more here.