1. the quality or state of being strange, unusual, or abnormal in an unsettling way
2. the quality of being grotesque or monstrous in appearance

Examples

• The freakishness of the weather this winter has surprised meteorologists.
• She was struck by the freakishness of his behavior at the party.
• The carnival attraction played up the freakishness of the performers.
• The freakishness of the accident left everyone in shock.
• He couldn't shake the sense of freakishness that surrounded the old mansion.
• The freakishness of the creature in the horror film made audiences uncomfortable.