A person who thinks big and has ambitious ideas is often referred to as a visionary or a dreamer. They may also be described as having an expansive or innovative mindset.
A person who thinks nothing is in comparison to them could be described as arrogant or narcissistic, showing a lack of humility and consideration for others' perspectives. This attitude can lead to feelings of superiority and a lack of empathy towards others.
The term for someone who thinks of others is "considerate."
A person who thinks they are better than others is often referred to as arrogant, conceited, or elitist.
A philosopher, I doubt there is a more specific term.
Telemachus thinks the third person in the hut is a god in disguise, possibly Athena.
A person who thinks highly of themselves is often termed as egocentric or narcissistic.
Atheist.
A cosmologist
he thinks they make big noises
Ignorant.
zen master
A person who thinks nasty things could be described as pessimistic, cynical, or having a negative mindset.
He thinks that you're fat.
A person who thinks only of themselves is often referred to as selfish or self-centered.
It depends on the person who thinks her stomach to be big or small. if you are asking if she is pregnant, nopes
If a person thinks they are funny when they are really not, I would call that person a failed comedian, and possibly a fool. Or maybe the person lacks self confidence and that's the only way he know to bring attention to himself.
An opinion