Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
red-hot is an adjective meaning "having strong sexual appeal". It carries 5 recorded senses.
“red-hot information”
glowing red with heat
very fast; capable of quick response and great speed
“a hot sports car”
“a blistering pace”
“got off to a hot start”
“in hot pursuit”
“a red-hot line drive”
Definitions, synonyms and semantic relations for red-hot come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.