Vocabularies

"Obstacles in life can often lead to valuable lessons."

"Lack of money was the main obstacle to his success."

"Floppy disks are now completely obsolete."

"The obsolescent technology could not compete with modern devices."

"The rapid obsolescence of smartphones makes people upgrade frequently."

"The knife was made from sharp obsidian."

"He has an obsessive interest in cleanliness."

"His obsession with success drove him to work day and night."

"She tends to obsess over small details."

"The observer took notes during the meeting."

"The day is observed annually to raise awareness."

"The teacher asked the students to observe the experiment."

"The observatory is open to the public on weekends."

"Observations of distant galaxies provide new insights."

"The scientist made an observation during the experiment."

"She is very observant and rarely misses any detail."

"The festival is held in observance of a centuries-old tradition."

"The village gathered for the obsequy of their beloved teacher."

"The waiter gave an obsequious bow to every customer."

"The obsequies for the late leader drew thousands of mourners."

"The meaning of the poem was obscure to most readers."

"The obnoxious behavior of the guest ruined the party."

"The politician faced obloquy after the scandal was exposed."

"He was oblivious to the danger approaching him."

"The ancient city fell into oblivion after the empire collapsed."

"The town was obliterated by the powerful earthquake."

"The politician was criticized for the obliquity of his answers."

"She made an oblique reference to his past mistakes."

"The staff at the hotel were very obliging and friendly."

"She obliged by helping him with the task."

"The doctor advised the obese patient to adopt a healthier lifestyle."

"The water nymph appeared by the moonlit lake."

"He acted like an oaf at the dinner party, spilling drinks everywhere."

"The old oak tree provided shade for the entire yard."

"The villagers gathered around the oaken table in the hall."

"The shipbuilders used oakum to seal the gaps in the wooden planks."

"He dipped the oar into the water and pulled the boat forward."

"The experienced oarsman rowed the boat across the river."

"After hours in the desert, they finally reached an oasis."

"She took an oath to tell the truth in court."

"She eats a bowl of oatmeal every morning for breakfast."

"He remained obdurate despite everyone's pleas."

"Children should show obedience to their parents."

"The obedient child quickly followed her mother's instructions."

"They bowed in obeisance to the king."

"The ancient Egyptians built obelisks to honor their gods."

"The objector raised his concerns during the town meeting."

"The teacher objurgated the student for being dishonest."

"His misconduct earned him a severe objurgation from the manager."

"Her main objective is to finish the project on time."