Answer:

sweated

Answer	Crossword Clue
SWEATED	Betrayed nervousness, maybe
SWEATED	Worked like a dog
SWEATED	Perspired

SWEATED	Worried about
SWEATED	Was worried about
SWEATED	Worried
SWEATED	Showed fear, maybe
SWEATED	Used a sauna
SWEATED	Worried about, slangily
SWEATED	Worried about, in slang

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.