Answer:

piffle

Answer	Crossword Clue
PIFFLE	Nonsense
PIFFLE	Hogwash
PIFFLE	Trivial talk

PIFFLE	Rot
PIFFLE	Senseless talk
PIFFLE	Stuff and nonsense.
PIFFLE	Stuff and nonsense!: Slang.
PIFFLE	Trifling talk: Colloq.
PIFFLE	Nonsense!
PIFFLE	Trivial nonsense
PIFFLE	Balderdash

PIFFLE	Twaddle
PIFFLE	"Nonsense!"

Crossword

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