The meaning of HOT is having a relatively high temperature. How to use hot in a sentence. HOT definition: 1. having a high temperature: 2. used to describe food that causes a burning feeling in the mouth…. Learn more. Definition of hot adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Define hot. hot synonyms, hot pronunciation, hot translation, English dictionary definition of hot. adj. hot·ter , hot·test 1. a. Having or giving off heat; capable of burning. b. Being at a high temperature. 2. Being at or exhibiting a temperature that is Hot is used to describe the weather or the air in a room or building when the temperature is high. It was too hot even for a gentle stroll. Informal Terms hot and bothered, excited, aroused, or flustered: This mistake isn't worth getting hot and bothered about.Also, all hot and bothered. Idioms hot under the collar. Hot definition: Being at or exhibiting a temperature that is higher than normal or desirable. Oct 26, 2025 · hot (comparative hotter, superlative hottest) Relating to heat and conditions which produce it. He forgot that the frying pan was hot and burned his hand. It is too hot to be outside. It is hotter in summer than in winter. Master the word "HOT" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Nov 8, 2016 · Synonyms for HOT: boiling, searing, molten, burning, heated, red, warm, white-hot; Antonyms of HOT: cold, icy, freezing, frigid, frozen, cool, iced, bitter