One- word substitutions

1. A slang for the underworld =Argot
2. Something perfectly neat and clean= Immaculate
3. An excuse for something = Alibi
4. The money that a court asks a man to pay to his divorced or legally separated wife= Alimony
5. A speech made by one person= Monologue
6. An obsession of one idea = Monomania
7. Washing of the human body especially in a religious ceremony = Ablution
8. A payment not legally binding but for which some moral obligation is felt = Ex gratia
9. One who believes in keeping things as they are = Conservative
10. A tall, strong, masculine kind of woman = Amazon