official, unofficial | current, recent
Current estimates suggest that supplies will run out within six months.

early, initial, preliminary | accurate, fair, good, realistic, reasonable, reliable | best
Flight times in the brochure are based on our best estimate, and will be confirmed as soon as possible.

approximate, rough | conservative, low
I think 15,000 will turn out to be a very low estimate.

high
According to the highest estimate, over 100,000 men died in the battle.

optimistic, pessimistic | cost

make
Can you make an estimate of the numbers involved?

give (sb), provide (sb with), submit
Three firms submitted estimates for the work.

revise

be based on sth | indicate sth, predict sth, show sth, suggest sth
One estimate suggests that 30,000 jobs may be lost.

put sth at
Some estimates put the figure as high as 50%.

range, vary
Cost estimates vary from $50,000 to $200,000.

according to an/the ~
According to the revised estimate, four million people will be without homes.

at an ~
Even at a conservative estimate, there is a lot of work to be done.

in an/the ~
In his first estimate, he suggested a figure of £5,000.

~ by, ~ from
According to an estimate by a leading newspaper, she earns £40 million a year.

~ for
We will send you an estimate for the repairs.

~ of
an estimate of profits an estimate of £300

currently | accurately, reliably | provisionally | conservatively
It is conservatively estimated that not less than half a million people died in the famine.

officially, unofficially
The strike was officially estimated to have cost $80 million.

be difficult to, be hard to, be impossible to | be used to
The results of the survey were used to estimate the preferences of the population at large.

at
We estimated the cost at £50,000.