Answer: strictly

AnswerCrossword Clue
STRICTLY".. speaking ..."
STRICTLYTo the letter
STRICTLY"... speaking ..."
STRICTLYBy the book
STRICTLYRigorously.
STRICTLYWithout latitude.
STRICTLYIn an exact way.
strictlyWith no exceptions; completely or absolutely
strictlyIn a way that involves rigid enforcement or that demands obedience
strictlyNo more than; purely
strictlyUsed to indicate that one is applying words or rules exactly or rigidly
strictlySTRICT, exact (precise (sharply and clearly defined or stated))