Indepth

12 clues
Thorough
Detailed
Rigorous
Thoroughly
Exhaustive
Comprehensive
Very detailed
Probing (interview)
Detailed & thorough
Comprehensive and thorough
Comprehensive, as a report
Thoroughly and comprehensively
Similar answers:
Abeautifulmind
Abeautifulrind
Abeautifulwind
Abind
Ablastingindisguise
Ablind
Aboutfindsabone
Absenceofmind
Absentminded
Absentmindedconfessor
Absentoneminded
Absintheminded
Absorbentminded
Abstinentminded
Acidindigestion
Actsindifferent
Adayindublin
Addresswindow
Againstthewind
Agesofmankind