significant increase in size, amount, or intensity

exaggerated development or enhancement

अवर्णनीय विकास

English Usage: He often speaks of his grand growth as an artist, but it's mostly just for show.

Hindi Usage: वह अक्सर अपने कलाकार के रूप में अवर्णनीय विकास की बात करता है, लेकिन यह ज्यादातर दिखावे के लिए है।