16. Discrepancy –
MEMORY: Discrepancy means lack of compatibility or similarity between two or more facts.
17. Enigmatic –
MEMORY: Enigmatic means difficult to interpret or understand.
MEMORY: Intermittent means, occurring at irregular interval .
19. Revoke –
MEMORY: Revoke means, to take back or withdraw something.
20. Stubborn –
MEMORY: Stubborn means, having or showing dogged determination not to change one’s attitude.