observe

/əb'zə:v/
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observe

The scientist carefully observes the chemical reaction in the test tube.

Definition
  1. Verb:
    • To watch carefully and attentively: To notice or perceive something by direct visual or mental attention, often for a specific purpose such as study or analysis.
    • To make a remark or comment: To state something as a comment or opinion based on what one has noticed.
    • To follow or comply with: To act in accordance with a rule, law, custom, or tradition.
    • To celebrate or commemorate: To mark or acknowledge a significant event, such as a holiday or anniversary, by performing a customary act.
Examples of Usage
  • Verb:
    • Astronomers use telescopes to observe distant galaxies. (To watch carefully)
    • "The weather is changing," she observed. (To make a remark)
    • All drivers must observe the speed limit. (To follow a rule)
    • Many people observe a moment of silence on Remembrance Day. (To commemorate)
Advanced Usage
  • "Observe that...": Used to introduce a comment or conclusion one has made.
    • The report observes that consumer habits have shifted significantly.
  • "Observed in the wild": A phrase commonly used in biology or natural sciences to describe behavior seen in an animal's natural habitat.
    • This mating ritual has only been observed in the wild a handful of times.
Variants and Related Words
  • Observation (n): The act of observing; a remark or comment.
    • His keen observation of details made him an excellent detective.
  • Observer (n): A person who observes.
    • United Nations observers were sent to monitor the ceasefire.
  • Observable (adj): Able to be seen or noticed.
    • The effects of the drug are observable within minutes.
  • Observant (adj): Quick to notice things; adhering strictly to rules or customs.
    • She is very observant and notices every small change.
Synonyms
  • Watch: To look at attentively over a period of time.
  • Notice: To become aware of.
  • Follow: To act according to (an instruction or rule).
  • Remark: To say as a comment.
  • Monitor: To watch and check over time.
Related Phrasal Verbs

(Note: "Observe" is not commonly used with particles to form phrasal verbs in the same way as other verbs. Its meanings are typically expressed directly.)

Related Idioms
  • Observe a silence: To refrain from speaking for a period as a mark of respect.
    • The crowd observed a two-minute silence for the victims.
  • Observe the formalities: To follow the conventional rules of polite behavior.
    • We should at least observe the formalities and send a thank-you note.
observe

The scientist carefully observes the chemical reaction in the test tube.

Verb
  1. conform one's action or practice to
    • keep appointments
    • she never keeps her promises
    • We kept to the original conditions of the contract
  2. stick to correctly or closely
    • The pianist kept time with the metronome
    • keep count
    • I cannot keep track of all my employees
  3. follow with the eyes or the mind
    • Keep an eye on the baby, please!
    • The world is watching Sarajevo
    • She followed the men with the binoculars
  4. behave as expected during of holidays or rites
    • Keep the commandments
    • celebrate Christmas
    • Observe Yom Kippur
  5. show respect towards
    • honor your parents!
  6. watch attentively
    • Please observe the reaction of these two chemicals
  7. observe with care or pay close attention to
    • Take note of this chemical reaction
  8. make mention of
    • She observed that his presentation took up too much time
    • They noted that it was a fine day to go sailing
  9. discover or determine the existence, presence, or fact of
    • She detected high levels of lead in her drinking water
    • We found traces of lead in the paint

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