ballpark estimate
A ballpark figure; a very rough approximation.
ADJ
official, unofficial
current, recent
Recent estimates show that most people spend about three hours daily on their phones.
early, initial, preliminary | accurate, fair, good, realistic, reasonable, reliable
best
The scientist gave her best estimate for when the volcano might erupt again.
approximate, rough
conservative, low
The report gave a conservative estimate of how many people would attend the concert.
high
The high estimate for fixing our roof came as a shock to our family budget.
optimistic, pessimistic | cost
VERB + ESTIMATE
make
The architect will make an estimate for the cost of renovating the kitchen.
give (sb), provide (sb with), submit
The builder gave us an estimate of £5,000 for the kitchen renovation.
revise
ESTIMATE + VERB
be based on sth
indicate sth, predict sth, show sth, suggest sth
Recent estimates indicate that coffee prices will rise significantly next year.
put sth at
Experts put the cost of the new stadium at around 500 million dollars.
range, vary
The prices that experts estimate range between $20 and $40 per item.
PREP
according to an/the ~
According to an estimate by the government, the project will cost around two million dollars.
at an ~
At a rough estimate, the project will take about three months to complete.
in an/the ~
My initial estimate for the project costs turned out to be far too low.
~ by, ~ from
The population growth was estimated from the latest census data collected five years ago.
~ for
I asked the builder for an estimate for the new kitchen before deciding to hire him.
~ of
The government released a new estimate of how many people would need the vaccine.
ADV
currently | accurately, reliably | provisionally
conservatively
Experts conservatively estimate that the project will cost at least two million dollars.
officially, unofficially
Experts unofficially estimate that the project will take another six months to complete.
VERB + ESTIMATE
be difficult to, be hard to, be impossible to
be used to
The company used past sales data to estimate how many products they would need next year.
PREP
at
The team estimated the project budget at around $50,000 for the coming year.