Correct spelling for the English word "aridiy" is [ˈaɹɪdˌɪi], [ˈaɹɪdˌɪi], [ˈa_ɹ_ɪ_d_ˌɪ__i] (IPA phonetic alphabet).
Apologies, but "aridiy" does not appear to be a recognized word in any dictionary. It is possible that the word you are referring to may be misspelled or derived from a specific context or jargon. If you intended another term, kindly provide the correct word or context so that I may assist you with its definition.