noun - the process of converting information or data into a code to prevent unauthorized access
adjective, formal - very attractive or charming in a mysterious or seductive way
adjective, British English, informal - not straight, level, or properly balanced; shaky or unstable
noun - a medical facility for long-term illness, often for rest and treatment of chronic conditions like tuberculosis
adjective - dealing with problems or situations in a practical and realistic way rather than relying on theories or ideals
verb - to improve a skill, technique, or ability by practicing it regularly
adjective, American English, informal - having too much air in the stomach