Possible Clues:

• Lacking humour, though mostly funny
• Free from: in the absence of
• See 34-Across
• Lacking wit, thou weirdo!
• Lacking humour, husband gets dismissed
• Deprived of
• See 23-Across
• Omitting humour you formerly included
• How, for instance, the way to make the size an outsize
• As you used to be, in intelligence, lacking