4.(color) bold and intense.
5.Sexually excited or exciting. "Hot pants"
6.Recently stolen or smuggled. "A hot car"
10.Performed or performing with unusually great skill and daring and energy. "He's hot tonight"
11.Very popular or successful. "Cabbage patch dolls were hot last season"
12.Very unpleasant or even dangerous. "In the hot seat" , "In hot water"
14.Having or bringing unusually good luck. "The dice are hot tonight"
15.Very good; often used in the negative.
17.Having or showing great eagerness or enthusiasm.
18.Of a seeker; very near to the object sought.
19.Having or dealing with dangerously high levels of radioactivity. "A hot laboratory"
21.Marked by excited activity.