"Ill chosen" is a phrase used to describe something that is poorly selected or unsuitable for a particular purpose. When it comes to finding synonyms for this phrase, we can consider words like inappropriate, unsuitable, unwise, misguided, foolish, unfitting, inept, bad, or wrong. These words all convey a sense of something being unsuitable or not fitting well in the context. Additionally, words like erroneous, incorrect, faulty, or misguided could also be used as alternatives. Overall, selecting the appropriate synonym for "ill chosen" depends on the context of the sentence and the intention behind the message.