running hot

Fever or malfunction

Running hot describes operating at higher than normal temperature—an engine running hot may overheat, a computer running hot needs better cooling.

Figuratively, it means performing intensely or being in an elevated emotional state: The team has been running hot lately, Tempers were running hot after the announcement.

In gambling, running hot means experiencing a streak of good luck.

Opposites
temperature state

running hotcooled down

Reduced in temperature

ice cold · cold · cool · struggling · chilled

emotional state

running hotcool as a cucumber

Extremely calm and composed

keeping cool · calm · cool-headed · composed · level-headed

fever/illness

running hotafebrile

Having normal temperature

healthy · chilled

Family

run, runs, runner, runners, runny, hot, hotter, hottest, hotly

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G