Crossword Puzzle Legally invalid

Clue: Legally invalid

Invalidate legally (ANNUL with 5 letters)
They're entered legally (PLEAS with 5 letters)
'Legally Blonde' character (MARGO with 5 letters)
Wife, legally speaking (UXOR with 4 letters)
Impedes legally (ESTOPS with 6 letters)
... can you be held legally responsible for bad advice? (MYSOURCESSAYNO with 14 letters)
Prohibit legally (e.g. ENJOIN with 6 letters)
Conveyed legally, as an estate (DEEDED with 6 letters)
It's tender, legally (CASH with 4 letters)
Ban legally (ESTOP with 5 letters)