observe
C1Formal to neutral; common in academic, scientific, legal, and formal written contexts.
Definition
Meaning
to watch carefully, notice, or perceive; to remark or comment; to comply with a rule, law, or custom.
To formally monitor and document scientific phenomena or behaviour; to maintain a moment of silence in honour of something; to follow religious or cultural practices.
Linguistics
Semantic Notes
Often implies a deliberate, careful, and sometimes prolonged act of watching. In its 'comply' sense, it suggests a conscious adherence. Can border on the stilted in casual conversation ('I observed that it was raining' vs. 'I noticed it was raining').
Dialectal Variation
British vs American Usage
Differences
Minimal. Both use all senses equally. The religious/cultural practice sense ('observe Ramadan') is slightly more frequent in UK media due to demographic factors, but not a linguistic difference.
Connotations
In both, carries connotations of formality, precision, and attentiveness.
Frequency
Equally common in both varieties within formal registers.
Vocabulary
Collocations
Grammar
Valency Patterns
observe + NP (object)observe + NP + VP-ingobserve + that-clauseobserve + wh-clauseobserve + NP + bare infinitive (rare, formal)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “observe a silence”
- “observe from a distance”
- “observe the formalities”
- “stand and observe”
Usage
Context Usage
Business
To watch market trends or comply with regulations. 'The firm must observe new data protection guidelines.'
Academic
To monitor experiments or phenomena. 'Researchers observed a significant change in the subjects' behaviour.'
Everyday
To notice something or follow a rule. 'Did you observe anything unusual?' 'We observe Thanksgiving with a family dinner.'
Technical
To measure or record data in a scientific or systematic way. 'The telescope will observe distant galaxies.'
Examples
By Part of Speech
verb
British English
- The team will observe the patient's progress over 48 hours.
- It is important to observe the speed limit.
- She observed that the report lacked crucial detail.
- We shall observe a two-minute silence at 11 am.
American English
- Astronomers observed the comet using the new telescope.
- All visitors must observe park regulations.
- He observed how the mechanism fit together.
- The community observes Memorial Day with a parade.
adverb
British English
- N/A (The adverb is 'observantly', not derived directly from 'observe')
American English
- N/A (The adverb is 'observantly', not derived directly from 'observe')
adjective
British English
- N/A (The adjective is 'observant', not 'observe')
American English
- N/A (The adjective is 'observant', not 'observe')
Examples
By CEFR Level
- I observe many birds in my garden.
- Children should observe the safety rules.
- The teacher asked us to observe the chemical reaction closely.
- Do you observe any special traditions at New Year?
- From his window, he could observe the comings and goings in the square without being seen.
- The study involved observing the animals in their natural habitat for six months.
- The anthropologist lived with the tribe to observe their social rituals firsthand.
- It was acutely observed that the political landscape had shifted irrevocably.
Learning
Memory Aids
Mnemonic
Think of a scientist in an OBSERVatory, who OBSERVes the stars. The word is in the place.
Conceptual Metaphor
UNDERSTANDING IS SEEING ('I see what you mean' akin to 'I observe your point'); RULES ARE PHYSICAL LAWS TO BE FOLLOWED ('observe the rules' as if following a path).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'сохранять' (to preserve). 'Observe silence' means to *maintain* silence, not to save it. 'Наблюдать' is the primary equivalent for 'watch/notice', but lacks the 'comply with' sense, which would be 'соблюдать'.
Common Mistakes
- Using it overly formally in casual speech. *'I observed my keys on the table.' (Better: 'I saw/noticed my keys...').
- Confusing 'observe' with 'obey'. One observes rules/customs (follows them), but obeys a person/order.
Practice
Quiz
In which context is 'observe' LEAST appropriate?
FAQ
Frequently Asked Questions
'Observe' is more formal and implies a purposeful, careful, and often analytical act. 'Watch' is more general and can be casual (watch TV). You 'observe' a scientific experiment; you 'watch' a film.
Yes, but formally. 'He observed that the plan was flawed' means 'He remarked/noted that...'. It's not for direct speech (*'I'm leaving,' he observed* sounds unnatural).
Typically by a gerund or object + gerund (I observed him leaving). The infinitive without 'to' is rare and very formal (I observed him leave). The 'that-clause' is most common for the 'say' sense.
'Observation' can mean both the act of observing ('under observation') and a remark or comment ('she made an astute observation'). The verb 'observe' covers both actions, but the noun distinguishes them by context.