The meaning of OBSERVER is one that observes. How to use observer in a sentence.

Interviewers and observers were thoroughly trained prior to collecting data, and ongoing recalibration meetings were held to promote measurement fidelity and reliability.

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 …

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

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

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.

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

This standard must be reproducible and accessible to all observers. The result of the measurement process is a numerical value that represents the number of standard units …

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

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 …