1

observation

play
noun ob·ser·va·tion \ˌäb-sər-ˈvā-shən, -zər-\

Definition of observation

  1. 1 a :  an act or instance of observing a custom, rule, or law b :  observance 3

  2. 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

  3. 3 :  a judgment on or inference from what one has observed; broadly :  remark, statement

  4. 4 obsolete :  attentive care :  heed

  5. 5 :  the condition of one that is observed <under observation at the hospital>

observational

play \-shnəl, -shə-nəl\ adjective

observationally

adverb

Examples of observation in a sentence

  1. I'm not criticizing that kind of clothing. I'm just making an observation about the style.

  2. Her constant observations about the weather bored me.

  3. These facts are based on close observation of the birds in the wild.

  4. Observations made using the telescope have led to new theories.

  5. Some interesting observations came from the study.

  6. He recorded his observations in a notebook.

Origin and Etymology of observation

Middle French, from Latin observation-, observatio, from observare


First Known Use: 1535


2

observation

adjective ob·ser·va·tion

Definition of observation

  1. :  designed for use in viewing something (as scenery) or in making observations <an observation tower> <the observation platform>

1872

First Known Use of observation

1872



OBSERVATION Defined for English Language Learners

1

observation

play
noun ob·ser·va·tion \ˌäb-sər-ˈvā-shən, -zər-\

Definition of observation for English Language Learners

  • : 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


2

observation

adjective ob·ser·va·tion

Definition of observation for English Language Learners

  • : designed to be used while watching people or things


OBSERVATION Defined for Kids

observation

play
noun ob·ser·va·tion \ˌäb-sər-ˈvā-shən, -zər-\

Definition of observation for Students

  1. 1 :  an act or the power of seeing or taking notice of something <His detailed description shows great powers of observation.>

  2. 2 :  the gathering of information by noting facts or occurrences <weather observations>

  3. 3 :  an opinion formed or expressed after watching or noticing <It's not a criticism, just an observation.>

  4. 4 :  the fact of being watched and studied <The patient was in the hospital for observation.>


Medical Dictionary

observation

play
noun ob·ser·va·tion \ˌäb-sər-ˈvā-shən, -zər-\

Medical Definition of observation

  1. 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. 2:  close watch or examination (as to monitor or diagnose a condition) <postoperative observation> <psychiatric observation>



Seen and Heard

What made you want to look up observation? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

of, relating to, or resembling a fox

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ