The phrase "dangled line" can be replaced with a variety of applicable synonyms. These include "suspended cord", "hanging rope", "swinging string", "loose wire", "flapping cable", and "drifting strand". Each of these phrases conveys a similar image of something hanging or swinging loosely. When describing fishing tackle, "teetering bait" is also an option. Depending on the context of the usage, there may be additional synonyms that better fit the specific situation. With the help of a thesaurus or linguistic software, it is easy to find the perfect synonym for any given phrase.