1. [adjective] Resembling a freak.
2. [adjective] Strange, unusual, abnormal or bizarre.
3. [adjective] Capricious, unpredictable.
4. [adjective] Changeable; 'a capricious summer breeze'; 'freakish weather'.
5. [adjective] Characteristic of a freak; 'a freakish extra toe'.
6. [adjective] Conspicuously or grossly unconventional or unusual; 'restaurants of bizarre design--one like a hat, another like a rabbit'; 'famed for his eccentric spelling'; 'a freakish combination of styles'; 'his off-the-wall antics'; 'the outlandish clothes of teenagers'; 'outre and affected stage antics'.