What is another word for what (has) happened to something?
Pronunciation: [wˌɒt hɐz hˈapənd tə sˈʌmθɪŋ] (IPA) 
The phrase "what has happened to something" can be expressed in a variety of different ways using synonyms. For example, you could ask "where did something go?" or "what is the current state of something?" Alternatively, you might ask "what became of something?" or "what was the outcome for something?" Other possible synonyms for this phrase include "what occurred with something?" or "what transpired regarding something?" Essentially, any question or phrase that asks for information about the fate or status of something can be used to express the same idea as "what has happened to something".
