styleless

/ˈstaɪl.ləs/
adjective
  1. Lacking a distinctive or attractive appearance, design, or manner; not fashionable or elegant.
    • She felt her writing was styleless compared to the vivid prose of her classmates.
    • The room was clean but styleless, with plain white walls and basic furniture.
    • His styleless outfit made him blend into the crowd at the party.
What does "styleless" mean? | whatsthatwordmean | whatsthatwordmean