Synonyms for First

Synonyms starting with letter O

• original

  earliest, start, ancient
• opening

  earliest, original, earliest in order
• originally

  initially, at the beginning, at first
• outstanding

  pre-eminent, highest in importance
• outset

  beginning
• overriding

  pre-eminent, foremost
• offset
• older
• oldest
• overbearing
• origin

  commencement
• optimum
• organic
• of greatest importance

  pre-eminent
• overruling
• obverse

  fore
• old
• outbreak
• out of sight
• out of this world
• outside
• out of the ordinary
• out-of-sight
• on hand
• once
• one-time
• of yore
• onward
• out
• on
• of a former period
• of an earlier time
• overblown
• onwards
• obtaining
• outweighing
• overbalancing
• overweighing
• one time
• originality

  novelty