The phrase "wert in brown study" refers to being deeply absorbed in thought or contemplation. Some antonyms for this phrase include being distracted, unfocused, or heedless. Instead of being lost in your own thoughts, being alert, attentive, or conscious would be antonyms for being in a brown study. Additionally, if you were to break free from this state of mind, you could be described as being liberated, free, or unencumbered. Lastly, synonyms for the phrase "brown study" include being in a reverie, daydreaming, or lost in thought.