DEFINITIONS-USE CORRECTLY...

ARROGANT-making claims or pretensions to superior importance or rights; overbearingly assuming; insolently proud: an arrogant public official.

CONCEITED-1. having an excessively favorable opinion of one's abilities, appearance, etc.
2. a. having an opinion.

b. fanciful; whimsical.

3. Obsolete. intelligent; clever.

OPINION-An opinion is a belief that may or may not be backed up with evidence, but which cannot be proved with that evidence.

SHALLOW-1. of little depth; not deep: shallow water.

2. lacking depth; superficial: a mind that is not narrow but shallow.

SELF-RIGHTEOUS-is a feeling of smug moral superiority derived from a sense that one's beliefs, actions, or affiliations are of greater virtue than those of the average person