The word "tormentous" is not a commonly used word, but it means causing torment or distress. It is pronounced /tɔːˈmɛntəs/, with the stress on the second syllable. The first syllable is pronounced as in "torque", while the second syllable is pronounced as in "meant". The final syllable is pronounced as in "us". It is important to spell this word correctly to avoid confusion and ensure clear communication. Knowing the correct pronunciation and spelling of words is essential for effective written and spoken communication.