insipid

dull bland or lacking energy and interest

impartial

fair and unbiased; not favoring one side

moralistic

focused on judging conduct as right or wrong, often preachily

taunting

mocking in order to provoke, embarrass, or irritate

turgid

overly elaborate, inflated, or pompous in expression

sardonic

grimly mocking or cynical, often with bitter humor

insolent

boldly disrespectful or rude, especially toward authority

effusive

showing emotion, praise, or gratitude in an unrestrained way

sentimental

strongly tender or emotional, often idealizing the past or relationships

contentious

argumentative or likely to provoke disagreement