Answer:

huh

Answer	Crossword Clue
HUH	"Excuse me?"
HUH	"Say what?"
HUH	"What was that?"

HUH	"Live and learn I guess ..."
HUH	"Wha?"
HUH	"Wha'dja say?"
HUH	"Come again?"
HUH	Say what?
HUH	Wha?
HUH	"I didn't expect that"
HUH	"What gives?"

HUH	"What the ...?"
HUH	Expression of confusion
HUH	"Whazzat?"
HUH	"Say that again?"
HUH	"What'd you say?"
HUH	"Beg pardon?"
HUH	Non-responsive response
HUH	"I don't get it"

HUH	"Whadja say?"
HUH	"How's that again?"
HUH	"What?"
HUH	"Did you say something?"
HUH	"What did you say?"
HUH	Clueless response
HUH	"I didn't catch that"
HUH	"I'm sorry?"

HUH	"Say again?"
HUH	"You talkin' to me?"
HUH	"Whaddaya mean?"
HUH	"What's that ?"
HUH	"What's that?"
HUH	"That's a surprise"
HUH	"Wha'd'ja say?"
HUH	"What was that!"

HUH	Befuddled comment
HUH	"Could you repeat that?"
HUH	"How about that!"
HUH	"What?!"
HUH	Derogatory grunt.

Crossword

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