1. Lacking in impressiveness
   "on the whole the results of this system are unimposing"

See also: unimpressive

• aboral
• aboriginal
• Aboriginal Australian
• aborigine
• aborning
• abort
• aborticide
• abortifacient
• abortion
• abortion pill
• abortion-inducing drug
• abortionist
• abortive
• abortively
• abortus
• aboulia
• aboulic
• abound
• abound in
• abounding
• about
• about time
• about turn
• about-face
• above