English Reference

Word

observing

Phoneticsob·serv·ing, stress on the second syllable

US/əbˈzɝvɪŋ/

UK/ɒbzˈɜːvɪŋ/

Definitions

01watching carefully

B1 · Intermediate

v. watching someone or something carefully to learn more about them.

v. monitoring or watching a subject with close attention, often for scientific or investigative purposes.

“The scientists spent weeks observing the birds in their natural habitat.”

“By observing the subtle shifts in the patient's heart rate, the medical team was able to intervene before the condition worsened.”

Usage

Often used with a direct object representing the person or thing being watched.

02following a rule

B2 · Upper Intermediate Formal

v. obeying a law, rule, or custom.

v. complying with or adhering to a law, regulation, or established social custom.

“Observing the speed limit is essential for keeping the roads safe.”

“The company was strictly observing the new environmental regulations to avoid heavy fines from the government.”

03celebrating a holiday

B2 · Upper Intermediate Religion Formal

v. celebrating a religious holiday or a special tradition.

v. performing the rituals or ceremonies associated with a religious or cultural occasion.

“Many families are observing the holiday by gathering for a traditional meal.”

“The community has a long history of observing the spring festival with music and public dances.”

04the act of watching

C1 · Advanced Uncountable noun Academic · Formal

n. the act of watching or noticing something.

n. the action or process of closely monitoring something or someone.

“His careful observing of the stars led to a new discovery.”

“The constant observing of the test subjects provided the researchers with enough data to conclude the study early.”

05quick to notice

C1 · Advanced Literary

adj. good at noticing things that happen around you.

adj. possessing or showing a keen ability to notice details; observant.

“She has an observing eye and never misses a small detail.”

“An observing traveler will notice that the local architecture changes significantly as one moves further north into the mountains.”

Antonyms

unobservantoblivious

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Frequent
Level
B1 · Intermediate
Updated

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English Reference