"Retie" means to tie something again, typically a knot or laces. Some synonyms for "retie" include "re-knot," "re-fasten," "re-lace," and "re-bind." These synonyms convey the same meaning as "retie" but may be more suited to specific contexts. For example, "re-fasten" would be more appropriate for securing a lid on a jar, while "re-lace" would be more fitting for tying up a shoe. Using synonyms for "retie" can add variety to one's language and help to avoid repetitive phrasing. Being familiar with different words for the same action can also increase one's understanding and appreciation of language use.