ADV. considerably, greatly, grossly, seriously, vastly | consistently The Ministry of Finance consistently overestimated its budget deficits.
VERB + OVERESTIMATE tend to | be easy to It is easy to overestimate the cost of this kind of research. | be difficult to, be hard to
PREP. by We overestimated the cost by about 2 per cent.
PHRASES sth cannot be overestimated The importance of this group cannot be overestimated.