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  1. OBSERVER | definition in the Cambridge English Dictionary

    There's something called the observer effect where intention orchestrates space-time events. Observers say it's not unusual for developers to seek city permits as a way to increase the …

  2. OBSERVER Definition & Meaning - Merriam-Webster

    Dec 4, 2016 · The meaning of OBSERVER is one that observes. How to use observer in a sentence.

  3. OBSERVER definition and meaning | Collins English Dictionary

    An observer is someone who studies current events and situations, especially in order to comment on them and predict what will happen next. Observers say the events of the …

  4. observer noun - Definition, pictures, pronunciation and usage …

    Definition of observer noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  5. observer | meaning of observer in Longman Dictionary of …

    observer meaning, definition, what is observer: someone who regularly watches or pays at...: Learn more.

  6. Observers - definition of Observers by The Free Dictionary

    1. One who observes: an observer of local customs; observers of religious holidays. 2. One who is sent to observe and report on events or proceedings without directly participating in them.

  7. observer - Wiktionary, the free dictionary

    Dec 18, 2025 · Noun [edit] observer (plural observers) One who makes observations, monitors or takes notice. quotations

  8. News, data and insight about the powerful forces that shape the …

    From nuclear fusion and biosecurity to delivery robots and online college, here’s a detailed look at Sam Altman’s startup investments in 2025. New research suggests women aren’t losing...

  9. Observer - Definition, Meaning & Synonyms | Vocabulary.com

    An observer is someone who watches or pays attention to something — if you're an observer of current events, you probably watch the news and read the newspaper every day to keep up …

  10. OBSERVER Definition & Meaning | Dictionary.com

    OBSERVER definition: someone or something that observes. See examples of observer used in a sentence.