onslaught-n; 2 Senses

Sense Number 1: a rapid invasion, often military

Commentary: ONSLAUGHT[+event][+attack][+invasion][+rapid]

Examples:
The onslaught of the city began at dawn with heavy artillery bombardment.
Mary is upset by the onslaught of Japanese beetles in her garden.

Mappings:
PropBank: onslaught.01
WordNet 3.0 Sense Numbers: 1, 2

Sense Number 2: a rapidly amassing quantity

Commentary: ONSLAUGHT[+quantity][+amassing][+rapidly]

Examples:
He received an onslaught of angry letters and phone messages after his speech.
Consumers can barely keep up with the onslaught of new digital technologies.

Mappings:
PropBank: onslaught.01
WordNet 3.0 Sense Numbers: 3