KEY: Flippant.
SYN: Pert, forward, superficial, thoughtless, saucy, malapert.
ANT: Flattering, servile, obsequious, accurate, considerate,deferential, complimentary, respectful.

• Intomb
• Intonation
• Intoxication
• Intractable, [See TRACTABLE]
• Intransient, [See TRANSIENT]
• Intrenchment
• Intrepid
• Intricacy
• Intricate
• Intrigue
• Intrinsic
• Intrinsic, [See EXTRANEOUS]
• Introduce
• Introduction
• Introductory
• Introvert
• Intrude, [See INTERFERE]
• Intrusion, [See INTRUDE]
• Intuition
• Intuitive, [See INSTINCTIVE]
• Intumescence
• Inundate
• {[Inurbanltr]?}
• Inure, [See ACCUSTOM]
• Inutility