Synonyms for Proficient

Synonyms starting with letter O

• on the ball

  competent
• old
• organized
• on the beam

  able
• old hand
• old pro
• old war-horse
• orderly

  effective
• outstanding
• out of sight
• out of this world
• out-and-out
• old-timer
• obvious
• old-time
• of the old school
• out and out
• oldtimer
• on the move
• organised
• on pins and needles
• operative