:a violent gust of wind
:the effect or accompaniment (such as sleet) of such a gust
:the sound produced by an impulsion of air through a wind instrument or whistle
- the blast of the shofar on Rosh Hashanah
:something resembling a gust of wind: such as
:a stream of air or gas forced through a hole
:a vehement expression of feeling
- … let out a great blast of mirth …
- —Marcia Davenport
:the continuous blowing to which a charge of ore or metal is subjected in a blast furnace
:a sudden pernicious influence or effect
- got a blast of reality when she left home
- … virtue preserved from fell destruction's blast …
:a disease of plants marked by the formation of destructive lesions on leaves and inflorescences
:an explosion or violent detonation
- The blast killed eight people.
:the shock wave of an explosion
- felt the blast from several miles away
:a forceful hit (as in baseball) or shot (as in soccer or golf);
:an enjoyably exciting experience, occasion, or event
- Their wedding was a blast.
:the sending of a message (such as a fax or an e-mail) in multiple copies to numerous recipients at one time
—often used before another noun
- The campaign then sends Jane targeted messages via canvassers, phone calls, ads, and its increasingly sophisticated email blasts.
- —Tim Murphy
blast from the past
:a striking reminder of an earlier time :something that excites nostalgia
- This picture is a real blast from the past.