confirm
gb/kənfˈɚm/ us/kənfˈɚm/
A2
English
~ 1200
Senses
0 senses
Verb
B1
action
1
State something is true after checking
To say that something is true after checking it.
Usage pattern:
to confirm [something]
Common mistake:
Learners sometimes confuse 'confirm' with 'conform'; 'confirm' means to check and state something is true, while 'conform' means to follow rules or standards.
Synonyms
verify (Implies a careful check for accuracy, often in technical or official contexts.)
Antonyms
deny (States that something is not true, often directly opposing a confirmation.)
Collocations
confirm details
|confirm information
|confirm the news
|confirm a report
Themes
communication
|business
|daily life
|work
|core_vocabulary
Examples
- The police confirmed that the suspect had been arrested.
- Can you confirm the date of the meeting?
- The company confirmed the accuracy of the financial report.
Learner examples
- The teacher confirmed the test date.
- Please confirm your address.
- They confirmed the story was true.
Verb
A2
action
2
Make an arrangement definite
To say that a plan or booking is sure and final.
Usage pattern:
to confirm [a booking/reservation/appointment]
Common mistake:
Learners may confuse 'confirm' with 'book'; 'book' means to make an arrangement, 'confirm' means to make sure it is still valid or final.
Synonyms
secure (Means to make certain that something is arranged or guaranteed, often with effort.)
Antonyms
cancel (Means to call off or withdraw a booking, appointment, or plan.)
Collocations
confirm a reservation
|confirm an appointment
|confirm a booking
Themes
travel
|business
|daily life
|core_vocabulary
Examples
- I called the hotel to confirm our reservation.
- Please confirm your appointment at least 24 hours in advance.
- The airline confirmed my flight for tomorrow.
Learner examples
- I will confirm the hotel room today.
- Please confirm the time of the meeting.
- She confirmed her seat on the bus.
Verb
formal
B2
action
3
Strengthen belief or support
To make a person more sure about what they think or believe.
Usage pattern:
to confirm [someone] in [a belief/decision]
Synonyms
reinforce (Emphasizes adding strength or support to an existing feeling or belief.)
Antonyms
undermine (Means to weaken confidence or belief in something.)
Collocations
confirm fears
|confirm suspicions
|confirm beliefs
Themes
emotions
|communication
|core_vocabulary
Examples
- The news confirmed her worst fears about the storm.
- His success confirmed her belief in hard work.
- The test results confirmed the doctor's suspicion.
Learner examples
- The bad news confirmed his fear.
- Her win confirmed my idea that she is talented.
- The photo confirmed my guess.
Grammar
Dictionary form
confirm
IPA
GB/kənfˈɚm/
US/kənfˈɚm/
Syllables & stress
con - firm (2 syllables)
Stress on 2nd syllable (firm)
Word forms
Verb
- Base: confirm
- 3rd Person Singular: confirms
- Present Participle: confirming
- Past: confirmed
Word family
Forms
confirms
verb
confirming
verb
confirmed
verb
Core family
confirmation
noun B2
Related words
reconfirm
verb
Negative and opposite forms
unconfirmed
adjective
Advanced or less common
confirmatory
adjective
Expressions
confirm attendance
1/kənfˈɚm ətˈɛndəns/
fixed phrase
State you will attend an event
To say that you will go to a meeting or event.
Examples
- Please confirm your attendance by Friday.
- She called to confirm attendance at the dinner.
confirm order
1/kənfˈɚm ˈɔɹdɚ/
fixed phrase
Acknowledge and finalize an order
To say that a request to buy something is accepted and final.
Examples
- The store emailed me to confirm my order.
- Please call us to confirm your order before payment.
confirm receipt
1/kənfˈɚm ɹɪsˈit/
fixed phrase
formal
Acknowledge receiving something officially
To say that you have received something, often in writing.
Examples
- Please confirm receipt of this email at your earliest convenience.
- The office asked me to confirm receipt of the package.