Merriam-Webster Logo
  • Games
  • Word of the Day
  • Grammar
  • Wordplay
  • New Slang
  • Rhymes
  • Word Finder
  • Thesaurus
  • Join MWU
    • Games
    • Word of the Day
    • Grammar
    • Wordplay
    • Slang
    • Rhymes
    • Word Finder
    • Thesaurus
    • Join MWU link icon
    • Shop
    • Books link icon
    • Merch link icon
      • Log In
      • Username
      • My Words
      • Recents
      • Account
      • Log Out
Est. 1828

Words That Start With O (page 17)

Browse the Medical Dictionary


  • a
  • b
  • c
  • d
  • e
  • f
  • g
  • h
  • i
  • j
  • k
  • l
  • m
  • n
  • o
  • p
  • q
  • r
  • s
  • t
  • u
  • v
  • w
  • x
  • y
  • z
  • 0-9
  • 16
  • 17
  • 18
page 17 of 19
  • overpronation
  • overpronator
  • overprotect
  • overprotection
  • overprotective
  • overreach
  • overreact
  • overreaction
  • oversedation
  • overshoot
  • overshot
  • overstimulate
  • overstimulated
  • overstimulating
  • overstimulation
  • overstrain
  • overt
  • over the counter
  • over-the-counter
  • overtly
  • overtone
  • overventilation
  • overweight
  • overwork
  • ovicidal
  • ovicide
  • oviducal
  • oviduct
  • oviductal
  • oviform
  • ovigeneses
  • ovigenesis
  • ovigenetic
  • ovigerous
  • ovine
  • ovine progressive pneumonia
  • ovine pulmonary adenocarcinoma
  • ovine pulmonary adenomatosis
  • ovinia
  • oviparities
  • oviparity
  • oviparous
  • oviparousness
  • oviposit
  • oviposition
  • ovipositional
  • ovipositor
  • ovisac
  • ovocyte
  • ovoflavin
  • ovogeneses
  • ovogenesis
  • ovoglobulin
  • ovoid
  • ovo-lacto
  • ovo-lacto vegetarian
  • ovolecithin
  • ovomucin
  • ovomucoid
  • ovoplasm
  • ovotestes
  • ovotestis
  • ovovitellin
  • ovoviviparities
  • ovoviviparity
  • ovoviviparous
  • ovular
  • ovulate
  • ovulated
  • ovulates
  • ovulating
  • ovulation
  • ovulatory
  • ovule
  • ovum
  • Owren's disease
  • oxacillin
  • oxalacetate
  • oxalacetic acid
  • oxalaemia
  • oxalate
  • oxalated
  • oxalating
  • oxalemia
  • oxalic acid
  • oxaloacetate
  • oxaloacetic acid
  • oxalosis
  • oxalosuccinic acid
  • oxaluria
  • oxalyl
  • oxalylurea
  • oxanamide
  • oxandrolone
  • oxaprozin
  • oxazepam
  • oxazine
  • oxazine dye
  • oxazolidine
  • ox bile
  • 16
  • 17
  • 18
page 17 of 19

Word of the Day

darling

Listen to the pronunciation of darling

See Definitions and Examples »

Get Word of the Day daily email!

Merriam Webster

Learn a new word every day. Delivered to your inbox!

  • Help
  • About Us
  • Advertising Info
  • Contact Us
  • Diversity
  • Privacy Policy
  • Terms of Use
  • Facebook
  • Twitter
  • YouTube
  • Instagram

© 2025 Merriam-Webster, Incorporated