What does "update" mean?

An additional piece of information, an addition to existing information.

What is a synonym for "update"?

Common synonyms include: antedate, backdate, be dated, bear date, bulletin, contemporize.

//ˈʌp.deɪt// noun, verb

noun, verb ·Moderate ·College level

Noun

1
An additional piece of information, an addition to existing information.
"I just made an update to my blog about my trip to Rome."
2
the act of bringing someone or something up to date wordnet
3
An additional piece of information, an addition to existing information.; An advisement providing more up-to-date information than currently known.
"He gave me an update on the situation in New York."
4
information or data that updates wordnet
5
A change in information, a modification of existing or known data.; A modification of something to a more recent, up-to-date version; (in software) a minor upgrade.
"Our database receives an update every morning at 3 AM."

Show 2 more definitions

6
A change in information, a modification of existing or known data.; An adjustment of parametres in a model, or the rule by which they are adjusted.
"stochastic update"
7
A version of something which is newer than other versions.
"You should try the update: it rocks."

Verb

1
To bring (a thing) up to date. transitive
"I need to update my records to take account of the most recent transaction."
2
modernize or bring up to date wordnet
3
To bring (a person) up to date: to inform (a person) about recent developments. transitive
"Update me on what happened while I was away."
4
bring to the latest state of technology or supply with the latest data wordnet
5
bring up to date; supply with recent information wordnet