The word "impsa" is spelled with the following IPA phonetic transcription: /ɪmpsa/. This transcription indicates that the first sound is an "i" sound, pronounced as in "bit". The "m" sound follows next, and is pronounced as in "more". The "p" sound is then pronounced, followed by an "s" sound, pronounced as in "snake". Finally, the word ends with an "a" sound, pronounced as in "apple". The correct spelling of "impsa" is important for clear communication and effective writing.