Simple Definition of observation
: a statement about something you have noticed : a comment or remark
: the act of careful watching and listening : the activity of paying close attention to someone or something in order to get information
: something you notice by watching and listening
Full Definition of observation
2 a : an act of recognizing and noting a fact or occurrence often involving measurement with instruments <weather observations> b : a record or description so obtained
4 obsolete : attentive care : heed
5 : the condition of one that is observed <under observation at the hospital>
Examples of observation in a sentence
I'm not criticizing that kind of clothing. I'm just making an observation about the style.
Her constant observations about the weather bored me.
These facts are based on close observation of the birds in the wild.
Observations made using the telescope have led to new theories.
Some interesting observations came from the study.
He recorded his observations in a notebook.
Origin of observation
Middle French, from Latin observation-, observatio, from observare
First Known Use: 1535
Rhymes with observation
abdication, aberration, abjuration, abnegation, abrogation, acceptation, acclamation, accusation, activation, adaptation, adjuration, admiration, adoration, adulation, adumbration, affectation, affirmation, aggravation, aggregation, agitation, allegation, allocation, amputation, alteration, altercation, animation, annexation, annotation, appellation, application, approbation, arbitration, arrogation, aspiration, assignation, attestation, augmentation, automation, aviation, avocation, blaxploitation, botheration, calculation, calibration, cancellation, carbonation, castigation, celebration, cerebration, chlorination, circulation, cogitation, collocation, coloration, combination, comfort station, commendation, commutation, compensation, complication, computation, concentration, condemnation, condensation, confirmation, confiscation, conflagration, conformation, confrontation, congregation, conjugation, connotation, consecration, conservation, consolation, constellation, consternation, constipation, consultation, consummation, contemplation, conurbation, conversation, convocation, copulation, coronation, corporation, correlation, corrugation, crenellation, crop rotation, culmination, cultivation, cumulation, cybernation, decimation, declamation, declaration, declination, decoration, dedication, defamation, defecation, deformation, degradation, dehydration, delectation, delegation, demarcation, demonstration, denigration, denotation, depilation, deportation, depravation, depredation, deputation, derivation, derogation, desecration, designation, desolation, desperation, destination, detestation, detonation, devastation, deviation, dislocation, dispensation, disputation, dissertation, dissipation, distillation, divination, domination, education, elevation, elongation, emanation, embarkation, embrocation, emendation, emigration, emulation, enervation, escalation, estimation, evocation, exaltation, excavation, excitation, exclamation, exculpation, execration, exhalation, exhortation, exhumation, expectation, expiation, expiration, explanation, explication, exploitation, exploration, exportation, expurgation, extirpation, exultation, fabrication, fascination, federation, fenestration, fermentation, fibrillation, figuration, filling station, fire station, flagellation, fluoridation, fluctuation, forestation, formulation, fornication, fragmentation, fulmination, fumigation, gene mutation, generation, germination, glaciation, graduation, granulation, gravitation, habitation, hesitation, hibernation, hyphenation, ideation, imitation, immigration, immolation, implantation, implication, importation, imprecation, imputation, incantation, incarnation, inclination, incrustation, incubation, indentation, indication, indignation, infestation, infiltration, inflammation, information, inhalation, innovation, inspiration, installation, instigation, insulation, integration, intimation, intonation, inundation, invitation, invocation, irrigation, irritation, iteration, jubilation, laceration, lamentation, lamination, legislation, levitation, liberation, limitation, lineation, liquidation, litigation, lubrication, lucubration, maceration, machination, malformation, masturbation, maturation, mediation, medication, meditation, melioration, menstruation, ministration, mitigation, moderation, modulation, molestation, motivation, mutilation, navigation, nomination, obfuscation, objurgation, obligation, occupation, operation, orchestration, ordination, oscillation, osculation, ostentation, ovulation, oxidation, pagination, palpitation, penetration, percolation, perforation, permeation, permutation, perpetration, perspiration, perturbation, pigmentation, pixilation, police station, pollination, population, postulation, power station, predication, preparation, presentation, preservation, proclamation, procreation, profanation, prolongation, promulgation, propagation, prorogation, protestation, provocation, publication, punctuation, radiation, recantation, recitation, reclamation, re-creation, recreation, reformation, refutation, registration, regulation, rehydration, relaxation, relocation, renovation, reparation, replication, reprobation, reputation, reservation, resignation, respiration, restoration, retardation, revelation, revocation, ruination, rumination, rustication, salutation, sanitation, saturation, segmentation, segregation, separation, sequestration, service station, sexploitation, simulation, situation, speciation, speculation, spoliation, stimulation, stipulation, strangulation, structuration, stylization, subjugation, sublimation, suffocation, syncopation, syndication, tabulation, termination, T formation, titillation, toleration, transfer station, transformation, translocation, transmigration, transmutation, transpiration, transplantation, transportation, trepidation, tribulation, ulceration, ululation, undulation, urination, vaccination, vacillation, validation, valuation, variation, vegetation, veneration, ventilation, vindication, violation, visitation, weather station
Simple Definition of observation
: designed to be used while watching people or things
Full Definition of observation
: designed for use in viewing something (as scenery) or in making observations <an observation tower> <the observation platform>
First Known Use of observation
OBSERVATION Defined for Kids
Definition of observation for Students
1 : an act or the power of seeing or taking notice of something <His detailed description shows great powers of observation.>
2 : the gathering of information by noting facts or occurrences <weather observations>
3 : an opinion formed or expressed after watching or noticing <It's not a criticism, just an observation.>
4 : the fact of being watched and studied <The patient was in the hospital for observation.>
Medical Definition of observation
1: the noting of a fact or occurrence (as in nature) often involving the measurement of some magnitude with suitable instruments <temperature observations>; also : a record so obtained
2: close watch or examination (as to monitor or diagnose a condition) <postoperative observation> <psychiatric observation>
Learn More about observation
Thesaurus: All synonyms and antonyms for "observation" Medical Dictionary: Definition of "observation" Spanish Central: Translation of "observation" Nglish: Translation of "observation" for Spanish speakers Britannica English: Translation of "observation" for Arabic speakers Britannica.com: Encyclopedia article about "observation"
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