1. Plural of Niagara; large, powerful waterfalls or cascades of water
Usage: Often used figuratively to describe any overwhelming rush or torrent of something
2. Overwhelming quantities or flows of something non-physical
Usage: Figurative use; commonly applied to words, emotions, or information

Examples

• The niagaras of Niagara Falls attract millions of tourists each year.
• A niagaras of complaints flooded the customer service department after the price increase.
• The speaker unleashed niagaras of words during the lengthy presentation.
• Niagaras of rain fell during the tropical storm.
• The niagaras of information online can be overwhelming for new researchers.
• She felt niagaras of emotion when she heard the news.