Hifalutin
Part of speech: adjective
Definition: Self-important, pompous; arrogant or egotistical.
Grandiose
Part of speech: adjective
Definition: large and impressive, in size, scope or extentpompous or pretentious
Example sentence: Jesu's walls of distortion are uplifting in comparison to those of its doom-driven contemporaries. The band's 2009 album 'Infinity' has its bleak moments, but that album's single 49-minute song resolves into something inspirational and grandiose by the time it's over.