Word Games Pro · Verified word lists
13 Letter Words Starting With O
Browse 13 Letter Words Starting With O. 62 verified words are currently available. Definitions, Scrabble scores, and links to complete dictionary entries are included.
13 Letter Words
- objectionable 13 letters · 26 points liable to objection or debate; used of something one might take exception to
- objectionably 13 letters · 29 points in an obnoxious manner
- objectiveness 13 letters · 27 points judgment based on observable phenomena and uninfluenced by emotions or personal prejudices
- obliviousness 13 letters · 18 points total forgetfulness
- obnoxiousness 13 letters · 22 points the quality of being hateful
- observational 13 letters · 18 points relying on observation or experiment
- obsessionally 13 letters · 18 points in a compulsive manner
- obsessiveness 13 letters · 18 points extreme compulsiveness
- obstructively 13 letters · 23 points in an obstructive manner
- obtrusiveness 13 letters · 18 points an unwelcome conspicuousness
- occidentalise 13 letters · 18 points make western in character
- occidentalism 13 letters · 20 points the quality or customs or mannerisms characteristic of Western civilizations
- occidentalize 13 letters · 27 points make western in character
- oceanographer 13 letters · 21 points a scientist who studies physical and biological aspects of the seas
- odontoglossum 13 letters · 17 points any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually…
- offensiveness 13 letters · 22 points the quality of being offensive
- officiousness 13 letters · 21 points aggressiveness as evidenced by intruding; by advancing yourself or your ideas without invitation
- oleomargarine 13 letters · 16 points a spread made chiefly from vegetable oils and used as a substitute for butter
- onomatopoetic 13 letters · 19 points (of words) formed in imitation of a natural sound
- opacification 13 letters · 22 points the process of becoming cloudy or opaque
- operationally 13 letters · 18 points in respect to operation
- ophthalmology 13 letters · 27 points the branch of medicine concerned with the eye and its diseases
- opportuneness 13 letters · 17 points timely convenience
- opportunistic 13 letters · 19 points taking immediate advantage, often unethically, of any circumstance of possible benefit
- orchestration 13 letters · 18 points the act of arranging a piece of music for an orchestra and assigning parts to the different musical…
- ornamentalism 13 letters · 17 points the practice of ornamental display
- ornamentalist 13 letters · 15 points someone who decorates
- ornamentation 13 letters · 15 points the act of adding extraneous decorations to something
- ornithischian 13 letters · 21 points herbivorous dinosaur with a pelvis like that of a bird
- ornithologist 13 letters · 17 points a zoologist who studies birds
- oropharyngeal 13 letters · 22 points of or relating to or located near the oropharynx
- orthogonality 13 letters · 20 points the quality of lying or intersecting at right angles
- ostensibility 13 letters · 18 points The quality of being professed, supposed rather than demonstrably true or real.
- osteoblastoma 13 letters · 17 points benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones…
- osteomyelitis 13 letters · 18 points an inflammation of bone and bone marrow (usually caused by bacterial infection)
- osteopetrosis 13 letters · 15 points an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may…
- outdoorswoman 13 letters · 19 points a woman who spends time outdoors (e.g., hunting and fishing)
- outspokenness 13 letters · 19 points the trait of being blunt and outspoken
- outstandingly 13 letters · 18 points in an outstanding manner or to an outstanding degree
- overabundance 13 letters · 21 points a quantity that is more than what is appropriate
- overambitious 13 letters · 20 points excessively ambitious
- overappraisal 13 letters · 20 points an appraisal that is too high
- overbearingly 13 letters · 22 points in an overbearing manner
- overconfident 13 letters · 22 points marked by excessive confidence
- overcredulity 13 letters · 22 points too much credulity
- overcredulous 13 letters · 19 points too credulous for your own good
- overcultivate 13 letters · 21 points to exhaust by excessive cultivation
- overdramatise 13 letters · 19 points present in an overly dramatic manner
- overdramatize 13 letters · 28 points present in an overly dramatic manner
- overemotional 13 letters · 18 points excessively or abnormally emotional
- overemphasise 13 letters · 23 points place special or excessive emphasis on
- overemphasize 13 letters · 32 points place special or excessive emphasis on
- overindulgent 13 letters · 18 points excessively indulgent
- overreckoning 13 letters · 23 points a calculation that results in an estimate that is too high
- oversensitive 13 letters · 19 points unduly sensitive or thin-skinned
- overshielding 13 letters · 21 points excessive protection
- overstatement 13 letters · 18 points making to seem more important than it really is
- overtolerance 13 letters · 18 points too much permissiveness
- overvaluation 13 letters · 19 points too high a value or price assigned to something
- ovoviviparous 13 letters · 24 points producing living young from eggs that hatch within the body
- oxyhemoglobin 13 letters · 31 points the bright red hemoglobin that is a combination of hemoglobin and oxygen from the lungs
- oystercatcher 13 letters · 23 points black-and-white shorebird with stout legs and bill; feed on oysters etc.