The correct spelling of the word "wast opposed" is "was opposed". "Wast" is an archaic form of "was", which is no longer used in modern English. The IPA phonetic transcription for "was" is /wəz/. "Opposed" is spelled as pronounced, with the IPA phonetic transcription being /əˈpoʊzd/. Therefore, the correct pronunciation of "was opposed" is /wəz əˈpoʊzd/. It is important to use the correct spelling and pronunciation of words to ensure effective communication.