hyper- Look up hyper- at Dictionary.com
word-forming element meaning "over, above, beyond, exceedingly, to excess," from Greek hyper (prep. and adv.) "over, beyond, overmuch, above measure," from PIE super- "over" (see super-).
hyperactive (adj.) Look up hyperactive at Dictionary.com
1852, from hyper- + active.
hyperactivity (n.) Look up hyperactivity at Dictionary.com
1852, from hyper- + activity.
hyperbaric (adj.) Look up hyperbaric at Dictionary.com
1930, from hyper- + Greek barys "heavy," from PIE root *gwere- (2) "heavy" (see grave (adj.)) + -ic.
hyperbaton (n.) Look up hyperbaton at Dictionary.com
1570s, "figure of speech in which the natural order of words or phrases is inverted, especially for the sake of emphasis," from Greek hyperbaton, literally "overstepping," from hyper "over" + bainein "to step" (see come).
hyperbola (n.) Look up hyperbola at Dictionary.com
1660s, from Latinized form of Greek hyperbole "extravagance," literally "a throwing beyond" (see hyperbole). Perhaps so called because the inclination of the plane to the base of the cone exceeds that of the side of the cone.
hyperbole (n.) Look up hyperbole at Dictionary.com
early 15c., from Latin hyperbole, from Greek hyperbole "exaggeration, extravagance," related to hyperballein "to throw over or beyond," from hyper- "beyond" + bole "a throwing, a casting, the stroke of a missile, bolt, beam," from bol-, nominative stem of ballein "to throw" (see ballistics). Rhetorical sense is found in Aristotle and Isocrates.
hyperbolic (adj.) Look up hyperbolic at Dictionary.com
1640s (iperbolical is from early 15c.), from Greek hyperbolikos "extravagant," from hyperbole "extravagance," literally "a throwing beyond" (see hyperbole). Geometric sense is from 1670s. Related: Hyperbolically.
hyperborean (adj.) Look up hyperborean at Dictionary.com
1590s, from Late Latin hyperboreanus, from Latin hyperboreus, from Greek hyperboreos "pertaining to the regions of the far north," from hyper (see hyper-) + Boreas (see boreal). The Hyperboreans were an imagined Arctic people believed by the ancients to be distinguished by piety and happiness. Middle English had iperborie "the far north of the Earth" (mid-15c.).
hypercritical (adj.) Look up hypercritical at Dictionary.com
c. 1600, from hyper- + critical.
hyperdrive (n.) Look up hyperdrive at Dictionary.com
by 1955, an invented word of science fiction writers to describe anything that can power a space craft faster than the speed of light. See hyper- + drive (n.).
hyperextend (v.) Look up hyperextend at Dictionary.com
1863, from hyper- + extend. Related: Hyperextended; hyperextending.
hyperglycemia (n.) Look up hyperglycemia at Dictionary.com
1875, from hyper- "over" + glycemia "presence of sugar in the blood."
hyperinflation (n.) Look up hyperinflation at Dictionary.com
1930 in the economic sense, from hyper- + inflation. Earlier as a medical term in treatment of lung diseases.
Hyperion Look up Hyperion at Dictionary.com
a Titan, son of Uranus and Gaea, later identified with Apollo, from Greek, literally "he who looks from above."
hyperkinetic (adj.) Look up hyperkinetic at Dictionary.com
1880, from hyper- + kinetic. Perhaps immediately from French hyperkinetic (1874). Related: Hyperkinesis.
hyperlink (n.) Look up hyperlink at Dictionary.com
by 1987, from hyper- + link (n.).
hyperopia (n.) Look up hyperopia at Dictionary.com
1884, Modern Latin, from hyper- + Greek ops "eye" (see eye).
hyperplasia (n.) Look up hyperplasia at Dictionary.com
1861, from Modern Latin hyperplasia, from hyper- + -plasia.
hypersensitive (adj.) Look up hypersensitive at Dictionary.com
1827, a hybrid from hyper- + sensitive. Related: Hypersensitivity.
hyperspace (n.) Look up hyperspace at Dictionary.com
"space of more than three dimensions," 1867, from hyper- + space (n.). A hybrid; correctly formed it would be superspace.
hypertension (n.) Look up hypertension at Dictionary.com
1863, from hyper- + tension. Originally in medical use; of emotions or nerves, from 1936.
hypertext (n.) Look up hypertext at Dictionary.com
1969, from hyper- + text (n.).
hyperthermia (n.) Look up hyperthermia at Dictionary.com
1878, medical Latin, from hyper- + Greek therme "heat" (see thermal) + abstract noun ending -ia.
hyperthyroidism (n.) Look up hyperthyroidism at Dictionary.com
1895, from hyper- + thyroid + -ism.
hypertonic Look up hypertonic at Dictionary.com
1855, from hyper- + tonic. Related: Hypertonia; hypertonicity.
hypertrophy (n.) Look up hypertrophy at Dictionary.com
1821, from hyper- + Greek -trophe "nourishment" (see -trophy). Related: Hypertrophic.
hyperventilate (v.) Look up hyperventilate at Dictionary.com
"breathe deeply and rapidly," 1931, from hyper- + ventilate. Related: Hyperventilated; hyperventilating.
hyperventilation (n.) Look up hyperventilation at Dictionary.com
1907, from hyper- + ventilation. Earlier as a type of treatment for lung diseases.
hypervigilance (n.) Look up hypervigilance at Dictionary.com
1917, from hyper- + vigilance. Related: Hypervigilant.
hypha (n.) Look up hypha at Dictionary.com
1866, from Modern Latin plural hyphae (1810), from Greek hyphe (singular) "web."
hyphen (n.) Look up hyphen at Dictionary.com
1620s, from Late Latin hyphen, from Greek hyphen "mark joining two syllables or words," probably indicating how they were to be sung, noun use of an adverb meaning "together, in one," literally "under one," from hypo "under" (see sub-) + hen, neuter of heis "one."
hyphenate (v.) Look up hyphenate at Dictionary.com
1881, from hyphen + -ate (2). The earlier verb was simply hyphen (1814). Related: Hyphenated; hyphenating. Hyphenated American is attested from 1889.
hyphenation (n.) Look up hyphenation at Dictionary.com
1881, from hyphen + -ation. Hyphenization is attested from 1851.
hypnagogic (adj.) Look up hypnagogic at Dictionary.com
1868, from French hypnagogique, from Greek hypnos "sleep" (see somnolence) + agogos "leading" (see act). Etymologically, "inducing sleep," but used mostly with a sense "pertaining to the state of consciousness when falling asleep."
hypno- Look up hypno- at Dictionary.com
word-forming element meaning "sleep," from Greek hypno-, comb. form of hypnos "sleep" (see somnolence).
hypnopedia (n.) Look up hypnopedia at Dictionary.com
also hypnopaedia, "sleep-learning," 1932, from Greek hypnos "sleep" (see somnolence) + paideia "education" (see pedo-).
hypnopompic (adj.) Look up hypnopompic at Dictionary.com
pertaining to the state of consciousness when awaking from sleep, 1901, from hypno- "sleep" + Greek pompe "sending away," from pempein "to send."
hypnosis (n.) Look up hypnosis at Dictionary.com
1869, "the coming on of sleep," coined (as an alternative to hypnotism) from Greek hypnos "sleep" (see somnolence) + -osis "condition." Of an artificially induced condition, from 1880.
hypnotherapy (n.) Look up hypnotherapy at Dictionary.com
1897, from hypno- + therapy. Related: Hypnotherapist.
hypnotic (adj.) Look up hypnotic at Dictionary.com
1620s, "inducing sleep," originally used of drugs, from French hypnotique (16c.) "inclined to sleep, soporific," from Late Latin hypnoticus, from Greek hypnotikos "inclined to sleep, putting to sleep, sleepy," from hypnoun "put to sleep," from hypnos "sleep" (see somnolence). Modern sense of "pertaining to an induced trance" first recorded in English 1843, along with hypnotist, hypnotize, both coined by Dr. James Braid. Related: Hypnotical; hypnotically.
hypnotise (v.) Look up hypnotise at Dictionary.com
alternative spelling of hypnotize; for suffix, see -ize. Related: Hypnotised; hypnotising.
hypnotism (n.) Look up hypnotism at Dictionary.com
1843, short for neuro-hypnotism (1842), coined by Dr. James Braid of Manchester, England, from hypnotic + -ism. In the same work (1843) Braid coined the verb hypnotize.
hypnotist (n.) Look up hypnotist at Dictionary.com
1843; see hypnotic + -ist.
hypnotize (v.) Look up hypnotize at Dictionary.com
1843, see hypnotic + -ize. Related: Hypnotized; hypnotizing.
hypo (n.) Look up hypo at Dictionary.com
1711, "depression," short for hypochondria; 1904 as short for hypodermic needle.
hypo- Look up hypo- at Dictionary.com
word-forming element meaning "under, beneath" (in chemistry, indicating a lesser oxidation), from hypo-, comb. form of Greek hypo (prep. and adverb) "under," from PIE *upo- "under, up from under, over" (see sub-).
hypoallergenic Look up hypoallergenic at Dictionary.com
1950, from hypo- + allergen + -ic.
hypochondria (n.) Look up hypochondria at Dictionary.com
1839, "illness without a specific cause," earlier (1660s) "depression or melancholy without real cause," earlier still (late 14c.) ipocondrie "upper abdomen," from Late Latin hypochondria "the abdomen," from Greek hypokhondria (neuter plural of hypokhondrios), from hypo- "under" (see sub-) + khondros "cartilage" (of the breastbone); see grind (v.). Reflecting ancient belief that the viscera of the hypochondria were the seat of melancholy and the source of the vapors that caused such feelings.
hypochondriac (adj.) Look up hypochondriac at Dictionary.com
1590s, "pertaining to the hypochondria," also "afflicted with melancholy," from French hypocondriaque (16c.), from Medieval Latin hypochondriacus, from Greek hypokhondriakos "pertaining to the upper abdomen," from hypokhondria (see hypochondria). The noun is from 1630s, "melancholy person;" in the modern sense from 1888.