Answer:

indepth

Answer	Crossword Clue
INDEPTH	Thorough
INDEPTH	Detailed
INDEPTH	Comprehensive

INDEPTH	Not superficial
INDEPTH	Comprehensive, as a report
INDEPTH	Very detailed
INDEPTH	Penetrating, as a survey
INDEPTH	Rigorous
INDEPTH	Not cursory
INDEPTH	Thoroughly

Crossword

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