Grandiose
/ˈɡran.dɪ.oʊs/
Synonyms
- extravagant
- impressive
- magnificent
- pretentious
- ostentatious
Slang Meanings
Showy or over-the-top.
That party was so grandiose, with all the fancy lights and decorations!
Unrealistically ambitious.
His grandiose ideas for the app seemed like a total pipe dream.