The antonyms for the word "more unfurnished" are "fully furnished", "lavishly furnished", "opulently furnished", "richly furnished", and "sumptuously furnished". All these words describe a space that has ample furniture, decor, and accessories. A fully furnished space has all the basic necessities, while a lavishly furnished space has more luxurious items. An opulently furnished space exudes extravagance and wealth, while a richly furnished space exudes elegance and sophistication. Lastly, a sumptuously furnished space is characterized by plush and comfortable furnishings. These antonyms convey the opposite of an unfurnished space, which is generally plain, barren, and lacking in personality.