Armchair adjectives are listed in this post. Each word below can often be found in front of the noun armchair in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing ARMCHAIR.
backed, big, comfortable, covered, cushioned
deep, favorite, favourite, great, green
huge, large, leather, low, old
only, other, overstuffed, own, small
soft, stuffed, upholstered, wooden
Hope this word list had the adjective used with armchair you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
comfy
faded, threadbare, comfy