snowball
Word family
- snowballingadjectiveC1
- snowballedadjectiveC1
Synonym discussion
Sense: verb/1
All four verbs describe rapid increase, but they differ in tone and typical context. 'Snowball' suggests growth that feeds on itself — the bigger it gets, the faster it grows — and is common for problems, arguments, or rumours. 'Escalate' is more formal and often describes conflicts or violence becoming more serious step by step. 'Mushroom' emphasises sudden appearance or rapid multiplication in number, like mushrooms sprouting overnight. 'Balloon' focuses on swelling in size or cost, often with a sense of becoming unreasonably large. 'Proliferate' is the most formal and is typical of academic or technical writing, especially for things spreading in number (e.g. cells, organisations, ideas). For everyday situations, choose 'snowball' for self-accelerating growth, 'escalate' for staged seriousness, and 'mushroom' for sudden abundance.
Common collocations
Etymology
A compound of 'snow' (from Old English 'snāw', meaning frozen water vapour falling as flakes) and 'ball' (from Old English 'beallu', meaning a round object). The literal noun appeared in the 1300s for a ball-shaped mass of snow. Around the 1800s, people started using 'snowball' as a metaphor for rapid, self-feeding growth — like a ball of snow growing as it rolls downhill, picking up more snow along the way.