13-Letter Words Ending With S

Here's the list of all the 6639 13-Letter Words Ending With S in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Words (with Definitions and Examples)
miscellaneous
1. consisting of a haphazard assortment of different kinds
2. having many aspects or qualities
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circumstances
1. your overall circumstances or condition in life (including everything that happens to you)
2. a person's financial situation (good or bad)
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effectiveness
1. power to be effective; the quality of being able to bring about an effect
2. capacity to produce strong physiological or chemical effects
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consciousness
1. an alert cognitive state in which you are aware of yourself and your situation
2. having knowledge of
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heterogeneous
1. consisting of elements that are not of the same kind or nature
2. originating outside the body
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righteousness
1. adhering to moral principles
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instantaneous
1. occurring with no delay
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conscientious
1. guided by or in accordance with conscience or sense of right and wrong
2. characterized by extreme care and great effort
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endometriosis
1. the presence of endometrium elsewhere than in the lining of the uterus; causes premenstrual pain and dysmenorrhea
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streptococcus
1. spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis
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metamorphosis
1. the marked and rapid transformation of a larva into an adult that occurs in some animals
2. a striking change in appearance or character or circumstances
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biostatistics
1. a branch of biology that studies biological phenomena and observations by means of statistical analysis
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unwillingness
1. the trait of being unwilling
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discontinuous
1. of a function or curve; possessing one or more discontinuities
2. not continuing without interruption in time or space
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lactobacillus
1. a Gram-positive rod-shaped bacterium that produces lactic acid (especially in milk)
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superstitious
1. showing ignorance of the laws of nature and faith in magic or chance
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airworthiness
1. fitness to fly
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morphogenesis
1. differentiation and growth of the structure of an organism (or a part of an organism)
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assertiveness
1. aggressive self-assurance; given to making bold assertions
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connectedness
1. the state of being connected
2. a relation between things or events (as in the case of one causing the other or sharing features with it)
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hydrocephalus
1. an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
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inhomogeneous
1. not homogeneous
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hydrodynamics
1. study of fluids in motion
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tyrannosaurus
1. large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America
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forgetfulness
1. tendency to forget
2. unawareness caused by neglectful or heedless failure to remember
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sleeplessness
1. a temporary state in which you are unable (or unwilling) to sleep
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unpretentious
1. exhibiting restrained good taste
2. lacking pretension or affectation
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inconspicuous
1. not prominent or readily noticeable
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toxoplasmosis
1. infection caused by parasites transmitted to humans from infected cats; if contracted by a pregnant woman it can result in serious damage to the fetus
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leishmaniasis
1. sores resulting from a tropical infection by protozoa of the genus Leishmania which are spread by sandflies
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arteriovenous
1. connecting an artery to a vein
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poliomyelitis
1. an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord
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powerlessness
1. the quality of lacking strength or power; being weak and feeble
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osteomyelitis
1. an inflammation of bone and bone marrow (usually caused by bacterial infection)
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mononucleosis
1. an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
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amniocentesis
1. (pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
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inventiveness
1. the power of creative imagination
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carboniferous
1. of or relating to the Carboniferous geologic era
2. relating to or consisting of or yielding carbon
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metamorphoses
1. the marked and rapid transformation of a larva into an adult that occurs in some animals
2. a striking change in appearance or character or circumstances
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periodontitis
1. a disease that attacks the gum and bone and around the teeth
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serendipitous
1. lucky in making unexpected and fortunate discoveries
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attentiveness
1. paying particular notice (as to children or helpless people)
2. the trait of being considerate and thoughtful of others
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cryptanalysis
1. the science of analyzing and deciphering codes and ciphers and cryptograms
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leptospirosis
1. an infectious disease cause by leptospira and transmitted to humans from domestic animals; characterized by jaundice and fever
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granulomatous
1. relating to or characterized by granulomas
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pervasiveness
1. the quality of filling or spreading throughout
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pharmaceutics
1. the art and science of preparing and dispensing drugs and medicines
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aspergillosis
1. severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys
2. an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs
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arbitrariness
1. the trait of acting unpredictably and more from whim or caprice than from reason or judgment
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cholecystitis
1. inflammation of the gall bladder
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bronchiolitis
1. inflammation of the membranes lining the bronchioles
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psychophysics
1. the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects
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13-Letter Words Ending With S