Usage examples (8)

• Sunday — ears and cheeks on fire, meanwhile, at her own slow-wittedness.
• “Potter came in here to get it,” said Malfoy with ill-disguised impatience at the slow-wittedness of his colleagues. “so that must mean –”
• Why do they even need to ponder the reasons for taking an extra team member to the boardroom, let alone to expose their slow-wittedness by asking, "Why would I want to...
• My slow-wittedness had facilitated his getting a vote.