I. lat ‧ est 1 /ˈleɪtəst, ˈleɪtɪst/ BrE AmE adjective [only before noun]
the most recent or the newest:
all the latest gossip
His latest film is one of the funniest he’s ever made.
II. latest 2 BrE AmE noun
1 . the latest informal the most recent or newest thing
the latest in
Wednesday’s session was the latest in a series of planning meetings.
the latest in ... technology/equipment (=the most modern equipment)
using the latest in medical technology
2 . at the latest no later than the time mentioned:
I should be back by 11 o'clock at the latest.