certify
Intermediate (B1)
IPA: /ˈsɜːrtɪfaɪ/
KK: /ˈsɜːrtɪfaɪ/
intransitive verb
Definition
To confirm or verify that something is true or meets certain standards.
Example
The expert will certify that the equipment is safe to use.
Tense Forms
Past: certified
Past Participle: certified
Conversation
Did you hear that the new witness is going to certify the facts in the case?
Yeah, that's a big deal for the trial's outcome.
I hope they can really certify everything they saw.
Me too! It’s crucial for justice to be served.
Synonyms & Antonyms
Synonyms
attest
verify
confirm
Antonyms
deny
refute
disprove
transitive verb
Definition
To officially confirm that something is true, accurate, or meets certain standards.
Example
The organization will certify the quality of the products before they are sold.
Tense Forms
Past: certified
Past Participle: certified
Conversation
Did you hear that they will certify our new product next week?
That's great news! It'll really help with our marketing.
Yeah, once they certify it, we can start promoting it more aggressively.
Root Explanation
Certify is formed from "certus" (meaning sure or certain) and "-fy" (meaning to make). The word means to make certain or to confirm something officially.
Memory Tip
Think of making something 'certain' ('certus') — that's why certify means to confirm or guarantee.
Visually Confused Words
recertify
cretify
acetify
precertify
sclerify