F-4 Voc.

The musical composition, with no melodic pattern and no well-defined structure of development, seemed ______ to my ear.

• amorphous

• querulous

The language he used in his bitter attack on us was so _____ that I hesitate even to repeat it.

• amorphous

• scurrilous

Synonym: had a festive FEELING

• aura

• erudite

• remonstrate

ACADEMIC study of the topic

• irrevocable

• erudite

Since our efforts to ______ with the factory managers about pollution of the lake have been ineffective, we are now considering legal action.

• reverberated

• remonstrate

• affable

If you happen to have a(n) ______ seatmate on a long airplane flight, you may find yourself talking more freely about about personal matters than you would under other circumstances.

• affable

• scurrilous

He is really insufferable when he gets into one of those ______ moods in which nothing in the world pleases him.

• scurrilous

• inscrutable

• querulous

Synonym: answer with an UNREADABLE smile

• reverberate

• inscrutable

• affable

What a pleasure to talk about old times with so _____ a companion!

• querulous

• gossamer

• aura

We spent a pleasant afternoon with our ______ neighbors.

• gossamer

• erudite

• affable