1The quality of being hot; high temperature.‘though it was quite as hot in the tent as in the house it was a very different sort of hotness’
- ‘the astronauts are carefully balanced between the cold darkness of space and the burning hotness of the sun’
2informal The quality of being sexually attractive or alluring.
- ‘there's something about a man with a guitar slung over his shoulder that just oozes hotness’
3A spicy quality in food that produces a burning sensation in the mouth.‘the yoghurt and cucumber will counteract the hotness of the curry’
- ‘the reason for the chili's hotness lies in a chemical called capsaicin’
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