Words Starting with

Opaque (oh Payk) Definition: impossible to see through; impossible to understand Sentence: We tried to figure out what Horace was thinking, but his expression was opaque: it revealed nothing.

Onerous (AHN ur us) Definition: burdensome; oppressive Sentence: We were given the onerous task of cleaning up the fairgrounds after the carnival.

Officious (uh FISH us) Definition: annoyingly eager to help or advise Sentence: The officious officer could never resist sticking his nose into other people's business.

Obfuscate (AHB fuh skayt) Definition: to darken; to confuse; to make confusing Sentence: The professor's inept lecture gradually obfuscated a subject that had been crystal clear to us before.

Ostentatious (ahs ten TAY shus) - excessively conspicuous; showing off Sentence: The young lawyer had ostentatiously hung his Harvard diploma on the door to his office.

Ostensible (ah STEN suh bul) - apparent; professed Sentence: Trevor's ostensible kindness to squirrels belied his deep hatred of them.

Obsequious (ub SEE kwee us ) - fawning; subservient; sucking up to Sentence: Ann's assistant was so obsequious that she could never tell what he really thought about anything.

Orthodox (OR thuh dahks) - conventional; adhering to established principles or doctrines, especially in religion; by the book Sentence: Austin's views were orthodox; there was nothing shocking about any of them.

Opulent (AHP yuh lunt) - luxurious Sentence: Everything in the opulent palace was made of gold-except the toilet-paper holder, which was made of platinum.

Obtuse (ahb TOOS) - insensitive; blockheaded Example: Mabel was so obtuse that she didn't realize for several days that Carl had asked her to marry him.

Officious (uh FISH us) - annoyingly eager to help or advise Example: The officious officer could never resist sticking his nose into other people's business.

Obfuscate (AHB fuh skayt) - to darken; to confuse; to make confusing Example: The professor's inept lecture gradually obfuscated a subject that had been crystal clear to us before.

Ostensible (ah STEN suh bul) - apparent; professed Example: Trevor's ostensible kindness to squirrels belied his deep hatred of them.

Opaque (oh Payk) - impossible to see through; impossible to understand Example: We tried to figure out what Horace was thinking, but his expression was opaque: it revealed nothing.

Onerous (AHN ur us) - burdensome; oppressive Example: We were given the onerous task of cleaning up the fairgrounds after the carnival.

Obsequious (ub SEE kwee us ) - fawning; subservient; sucking up to Example: Ann's assistant was so obsequious that she could never tell what he really thought about anything.