KEY: Unctuous.
SYN: Oily, smooth, fawning, flattering, fulsome, sycophantic,complimentary.
ANT: Abrupt, unmannerly, uncomplimentary, sarcastic, cynical, blunt.

• Integration, [See INTEGRATE]
• Integrity
• Integument
• Intellect
• Intellectual
• Intelligence
• Intelligible, [See INSCRUTABLE]
• Intemperate \a
• Intend, [See PURPOSE]
• Intensity
• Intent \adj
• Intentional
• Intention, [See PURPOSE]
• Inter
• Intercede
• Intercept
• Intercession, [See INTERCEDE]
• Interchange
• Intercommunication, [See INTERCHANGE]
• Intercourse
• Intercurrence
• Interdict
• Interest
• Interfere, [See INTERPOSE]
• Interior