What is another word for slipping away?
Pronunciation: [slˈɪpɪŋ ɐwˈe͡ɪ] (IPA) 
"Slipping away" is a phrase that refers to someone or something escaping or becoming difficult to hold onto. If you're looking for synonyms for this phrase, there are a variety of options you could use to convey a similar sentiment. Words like "evading," "escaping," "vanishing," or "eluding" all describe situations where someone or something is slipping away. Other synonyms might include "fading," "diminishing," "dissipating," or "drifting," which indicate a gradual loss or movement. Ultimately, the word choice you make will depend on the context and emotional tone you want to convey, but these synonyms will give you a starting point to work from.
