Cool MateNotice vs Observe
When to use each in English, with meaning, register, and examples.
Notice
Top 1,000 (very common)A2verb
Observe
Top 1,000 (very common)B2verb
| Notice | Observe | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈnəʊtɪs/","/ˈnəʊtɪsɪz/","/ˈnəʊtɪst/","/ˈnəʊtɪsɪŋ/"]/🇺🇸 /["/ˈnəʊtɪs/","/ˈnəʊtɪsɪz/","/ˈnəʊtɪst/","/ˈnəʊtɪsɪŋ/"]/ | 🇬🇧 /["/əbˈzɜːv/","/əbˈzɜːvz/","/əbˈzɜːvd/","/əbˈzɜːvɪŋ/"]/🇺🇸 /["/əbˈzɜːrv/","/əbˈzɜːrvz/","/əbˈzɜːrvd/","/əbˈzɜːrvɪŋ/"]/ |
| Meaning | to see or pay attention to something | to watch something carefully |
| Example | I didn't notice the time passing while I was reading. | Please observe the changes in the experiment carefully. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A2 | B2 |
| Part of speech | verb | verb |
| Collocations | not even, not really, barely, fail to, not appear to, not seem to, can’t help but notice something, can’t help noticing something, the first thing I, he, etc. noticed, not even, not really, barely, fail to, not appear to, not seem to, can’t help but notice something, can’t help noticing something, the first thing I, he, etc. noticed | carefully, closely, precisely, be able to, be possible to, be difficult to, among, for, from, be commonly observed, be frequently observed, be widely observed, carefully, closely, precisely, be able to, be possible to, be difficult to, among, for, from, be commonly observed, be frequently observed, be widely observed, astutely, correctly, keenly, to, correctly, faithfully, scrupulously, fail to, failure to observe something |
| Antonyms | ignore, overlook | ignore, neglect, overlook |
| Common mistakes | 'Notice' is sometimes confused with 'notify' — 'to notify' means to inform someone., Learners may use 'noticing' incorrectly as a noun; the correct noun is 'notice'., Some learners forget to use 'notice' in the simple past form 'noticed' when talking about past events. | Confuse with 'abserve' which is not a word., Use 'observed' incorrectly with non-actions, like 'observed the chair'., Forget the preposition when used with 'something' as in 'observe at the sky' instead of 'observe the sky'. |
| Usage notes | Use 'notice' when you become aware of something. It's appropriate in both spoken and written English, but more formal contexts might use 'observe' instead. | Use 'observe' when you are watching something closely or carefully. It is a neutral term suitable for both formal and informal contexts, but it may not be suitable for casual conversations where simpler words like 'watch' may work better. |
See it in real clips
Frequently asked questions: Notice vs Observe
What's the difference between Notice and Observe?
Notice: to see or pay attention to something Observe: to watch something carefully
Which is more advanced: Notice and Observe?
Observe is the highest level, at B2, on the CEFR scale.
Are Notice and Observe the same CEFR level?
Notice: A2, Observe: B2 on the CEFR scale.
What part of speech are Notice and Observe?
Notice: verb, Observe: verb.
Can you show an example of each?
Notice: I didn't notice the time passing while I was reading. Observe: Please observe the changes in the experiment carefully.
Can I use Notice and Observe interchangeably?
Not always. Notice and Observe are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.