Answer: heatedup

AnswerCrossword Clue
HEATEDUP

Nuked

HEATEDUP

Intensified, as an argument

HEATEDUP

Became more intense, as a competition

HEATEDUP
Warmed over.
HEATEDUP
Became excited: Colloq.
HEATEDUPBecame more competitive
HEATEDUPBecame more exciting