The word "de-tested" is not one commonly found in the English language, but it can be presumed to mean the process of finding something unappealing or unattractive, often leading to a decrease in desire or motivation towards it. Some synonyms that accurately capture this sentiment include words like "disliked," "hated," or "abhorred." Other similar terms that can be used to convey the same sentiment include words like "detested," "reviled," or "disgusted," all of which suggest a strong aversion or distaste towards something. Other synonyms for this word may include "despised," "loathed," and "abominated," depending on the specific context in which it is being used.