Complex sentence which includes one prepositional phrase.

albeit

 Although the dress, with its bright colors, was beautiful, it was too big for her.

bereft

Because he was bereft of energy, he struggled to finish the long workout.

gratis

Since they gave out snacks at the event, many people lined up to get them gratis.

intercession

 After she had an intercession with the school board, kids received better lunches.

lineaments

As the sunlight shone on his sharp jawline, it highlighted his lineaments.

presage

Since dark clouds in the sky presage a heavy storm, we decided to stay indoors.

prodigal

 Although his prodigal spending on useless gadgets was fun, it quickly emptied his wallet.

prolixity

Since the lectures about history had a lot of prolixity, the students failed.

sinecure

While he enjoyed his sinecure in a small office, he often felt unchallenged.

solicitous

 Since she was solicitous toward her sick friend, she brought her soup.