quasi-efficient

• a word derived from efficient.
  efficient

  adjective

  performing or functioning in the best possible manner with the least waste of time and effort; having and using requisite knowledge, skill, and industry; competent; capable.

Related Words

• able
• active
• adept
• adequate
• capable
• competent
• decisive
• dynamic
• economical
• effective
• energetic
• potent
• powerful
• productive
• profitable
• skilled
• skillful
• tough
• useful
• valuable