The phrase "is in clouds" can mean a person is daydreaming or not focused on what is happening around them. There are many synonyms for this phrase, including being lost in thought, woolgathering, in a reverie, or having your head in the clouds. These phrases all indicate a similar state of mind where a person is not entirely present in the present moment. Other possible synonyms include being distracted, spaced out, preoccupied, or in a trance-like state. Whatever phrase is used, it implies that a person is not fully engaged with their surroundings and may need to refocus their attention.