Pronunciation: [nˌə͡ʊ lˈɒŋɡəɹ ɛɡzˈɪstɪŋ] (IPA) 
Correct spelling for the English word "no longer existing" is [nˌə͡ʊ lˈɒŋɡəɹ ɛɡzˈɪstɪŋ], [nˌəʊ lˈɒŋɡəɹ ɛɡzˈɪstɪŋ], [n_ˌəʊ l_ˈɒ_ŋ_ɡ_ə_ɹ ɛ_ɡ_z_ˈɪ_s_t_ɪ_ŋ] (IPA phonetic alphabet).
No longer existing refers to something that has ceased to exist or no longer exists presently. It denotes the condition where an object, entity, concept, or any comparable element that was once in existence has now ceased to be. This term is employed when describing the state of various entities that have been eradicated, obliterated, eliminated, or simply no longer endure in their previous form or state. It signifies that the subject matter has come to an end or has vanished, thus ceasing its presence or function.
"No longer existing" conveys the idea of an absence or nonexistence, indicating that the subject has ceased to be observed or experienced in its prior state. It can refer to extinct species, demolished buildings, defunct companies, destroyed objects, forgotten traditions, terminated relationships, or dissolved organizations among many other possibilities.
This term denotes the termination or eradication of something that had once played a role or held significance in a certain context or domain. The absence of its presence or functionality characterizes the state of no longer existing. The concept emphasizes the departure or absence of the subject from its previous existence, no longer being perceptible or viable.
