Delusion
/dɪˈluːʒən/
Synonyms
- fantasy
- illusion
- misconception
- hallucination
- pipe dream
Slang Meanings
Living in a fantasy world.
She's so into her delusions that she thinks she's going to be famous overnight.
Having unrealistic beliefs about oneself or one's situation.
His friends tell him he's got delusions if he thinks he can quit his job and start music immediately.