Words by starting letters

Words Starting With OO

There are 132 words that start with OO, from 2 letters to 15. The highest scoring is OOPHORECTOMIZED at 34 points in Scrabble, and 13 of them carry a J, Q, X or Z.

Words Starting With OO: What They Mean

The most familiar words on this page and what they mean. Tap any word for its full entry, score and anagrams.

  • OOH verb express admiration and pleasure by uttering ‘ooh’ or ‘aah’
  • OOHS verb form of OOH: express admiration and pleasure by uttering ‘ooh’ or ‘aah’
  • OOZE noun any thick, viscous matter
  • OOZY adjective leaking out slowly
  • OOHED verb form of OOH: express admiration and pleasure by uttering ‘ooh’ or ‘aah’
  • OOTID noun mature ovum after penetration by sperm but before the formation of a zygote
  • OOZED noun form of OOZE: any thick, viscous matter
  • OOZES noun form of OOZE: any thick, viscous matter
  • OOCYTE noun a female gametocyte that develops into an ovum after two meiotic divisions
  • OODLES noun a large number or amount

Definitions from Open English WordNet, CC BY 4.0.

Nearby Lists

OA · OB · OC · OD · OF · OG · OH · OI · OK · OL · OM · ON · OP · OR · OS · OT · OU · OV · OW · OX · OY · OZ

Narrower still, 6 longer openings: OOG · OOL · OOM · OOP · OOS · OOZ

All of them: Words by starting letters.

Just the five letter ones: 5 letter words starting with O.