The word untrouble means without difficulty or problem-free. There are many synonyms for this word, such as easy, effortless, simple, smooth, uncomplicated, unchallenged, and painless. These words are often used to describe tasks or situations that do not present any significant obstacles or complications. Untrouble can also be used to describe a person who is relaxed, calm, and free from stress or anxiety. Other synonyms for this sense of the word include carefree, composed, tranquil, and unruffled. In summary, untrouble can be described using a wide variety of words that all share the same basic meaning of being free from difficulty or trouble.