pretentious

As an adjective pretentious

is marked by an unwarranted claim to importance or distinction.

As a noun snobbery is

the property or trait of being a snob.

As adjectives the difference between pretentious and juvenile

is that pretentious is marked by an unwarranted claim to importance or distinction while juvenile is youthful; young.

As adjectives the difference between pretentious and undefined

is that pretentious is marked by an unwarranted claim to importance or distinction while undefined is lacking a definition or value.

As adjectives the difference between modest and pretentious

is that modest is not bragging or boasting about oneself or one's achievements, unpretentious, humble while pretentious is marked by an unwarranted claim to importance or distinction.

As adjectives the difference between egregious and pretentious

is that egregious is exceptional, conspicuous, outstanding, most usually in a negative fashion while pretentious is marked by an unwarranted claim to importance or distinction.

As adjectives the difference between pretentious and audacious

is that pretentious is marked by an unwarranted claim to importance or distinction while audacious is showing willingness to take bold risks; recklessly daring.

As adjectives the difference between histrionic and pretentious

is that histrionic is histrionic while pretentious is marked by an unwarranted claim to importance or distinction.

Opulent is a related term of pretentious.

As adjectives the difference between opulent and pretentious

is that opulent is luxuriant, and ostentatiously magnificent while pretentious is marked by an unwarranted claim to importance or distinction.

As adjectives the difference between stately and pretentious

is that stately is of people: regal, dignified; worthy of respect while pretentious is marked by an unwarranted claim to importance or distinction.

As an adverb stately

is in a stately manner.