Frequency: The word is one of the 1500 most common words in English.
1.
Latest is the superlative of late .
2.
You use ~ to describe something that is the most recent thing of its kind.
...her ~ book...
Latest reports say another five people have been killed...
ADJ: oft v-link ADJ in/of n
3.
You can use ~ to describe something that is very new and modern and is better than older things of a similar kind.
Crooks are using the ~ laser photocopiers to produce millions of fake banknotes...
I got to drive the ~ model...
Computers have always represented the ~ in technology.
ADJ: oft v-link ADJ in/of n
4.
see also late
5.
You use at the ~ in order to indicate that something must happen at or before a particular time and not after that time.
She should be back by ten o’clock at the ~.
PHRASE: amount PHR emphasis