lost2 S2 W3
if you are lost, you do not know where you are and are unable to find your way somewhere:
cannot find your way
'Are you lost?' the driver asked.
I got thoroughly lost on the way here.
a lost child
if something is lost, you had it but cannot now find now [= missing]:
cannot be found
two boys searching for a lost ball
The letter never arrived. It must have got lost in the post.
lost time or opportunities have not been used in the way that would have given you the greatest advantage:
It'll be impossible to make up the lost time.
They didn't change the voting system when they had the chance and now the opportunity has been lost.
sales, business etc that you could have had but did not:
The strike has cost the company £2 million in lost revenue.
to not feel confident about what to do or how to behave:
It's not unusual to feel rather lost when you first start college.
She's a great friend and I'd be lost without her.
used to rudely tell someone to go away or to stop annoying you
thinking so hard about something, or being so interested in something, that you do not notice what is happening around you
not noticing[not before noun]
to be forgotten or not noticed in a complicated process or in a busy time:
It's easy for your main points to get lost in a long speech.
to be completely confused by a complicated explanation:
'Do you understand what I mean?' 'Not really. I'm a bit lost.'
if something is lost on someone, they do not understand or want to accept it:
The joke was completely lost on Chris.
to be unable to say anything because you are very surprised, upset etc:
For once in her life, she was lost for words.
that no longer exists or that you no longer have:
not existing[only before noun]
the relics of a lost civilization
She wept for her broken dreams and lost youth.
something that has no chance of succeeding:
Trying to interest my son in classical music is a lost cause.
someone who does not seem to know where they are or what to do - often used humorously