The definition for facade is "false or superficial appearance." Used in a sentence: Emily's smile is just a facade masking her broken heart. The definition for untenable is "not able to be defended.", the definition for serenity is "Calmness.", and the definition for servile is "Fearfully submissive."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for disconcert is "to throw into confusion.", the definition for drab is "Dull, monotonous.", and the definition for facade is "false or superficial appearance."

The definition for prune is "To reduce by removing excess." Used in a sentence: The candidate pruned his speech so he would not exceed the time limit. The definition for obnoxious is "highly offensive.", the definition for accessible is "Easy to reach or to approach.", and the definition for exasperation is "The state of being irritated."

The definition for compulsion is "An irresistible impulse." Used in a sentence: Tamar, a shoe fanatic, could not resist the compulsion to buy the shiny red boots. The definition for regale is "to amuse.", the definition for sociable is "Inclined to seek companionship.", and the definition for civility is "Politeness."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for periodic is "occurring at regular intervals.", the definition for fidelity is "State of being faithful.", and the definition for ramble is "To wander, physically or in language."