noun

1. an atmospheric disturbance characterized by a strong wind, usually accompanied by rain, snow, sleet, or hail, and, often, thunder and lightning
2. any heavy fall of snow, rain, or hail
3. anything resembling a storm; specif.,
   1. a heavy shower or volley of things a storm of bullets
   2. a strong outburst of emotion, passion, excitement, etc.
   3. a strong disturbance or upheaval of a political or social nature
4. a sudden, strong attack on a fortified place: now mainly in the phrase take by storm, to conquer, overwhelm, or win over suddenly and forcefully
5. Meteorol. a wind whose speed is 64 to 72 miles per hour

Etymology: ME < OE, akin to Ger sturm < IE base *(s)twer-, to whirl, move or turn quickly > stir, L turbare, to agitate

intransitive verb

1. to be stormy; blow violently, rain, snow, etc.
2. to be violently angry; rage; rant
3. to rush or move violently and tumultuously to storm into a room

transitive verb

1. to attack or direct something at (someone) in a vigorous or angry outburst to storm a speaker with questions
2. to capture or attempt to capture (a fortified place) with a sudden, strong attack