Answer: istoo

AnswerCrossword Clue
ISTOOKindergarten comeback
ISTOO"Not so!" reply
ISTOOCry of insistence
ISTOOInsistent cry
ISTOOResponse to "Not so!"
ISTOOPlayground comeback
ISTOOIt ... much to ask
ISTOO"That ... much for me"
ISTOO"This ... much"
ISTOO"The world ... much with us"
ISTOO"This ... butch for be!": Kipling
ISTOO"The world ... much with us": Wordsworth
ISTOORetort in a playground argument
ISTOORejoinder in a kids' argument
ISTOO"Not so!" retort
ISTOOReply in a juvenile spat
ISTOO"How much .. much?"
ISTOORetort to "Not so!"
ISTOO"How much ... much?"
ISTOOGrade school comeback
ISTOOSchoolyard rejoinder
ISTOOOther side of a childish debate ... or a phonetic hint to the answers to the four double-starred clues
ISTOO'Life -- short'
ISTOO'How much -- much?'
ISTOOChild's playground retort
ISTOOSandbox retort
ISTOO"Life ... short . . ."
ISTOOChild's retort
ISTOORecess rejoinder
ISTOO"One Word ... Often Profaned" (Shelley poem)
ISTOOWordsworth's "The World ... Much With Us"
ISTOO"This ... much to understand"
ISTOO"This ... much!"
ISTOOSchoolyard retort
ISTOO"Life ... short..."
ISTOOPlayground retort
ISTOO"One enemy .. much": Herbert
ISTOO"The world .. much with us": Wordsworth
ISTOOInsistent comeback
ISTOOPlayground assertion