YOU SAID:

I'm grounded and high.

INTO JAPANESE

私は根拠があり、高いです。

BACK INTO ENGLISH

I am well-grounded and expensive.

INTO JAPANESE

私は根拠があり、高価です。

BACK INTO ENGLISH

I am groundless and expensive.

INTO JAPANESE

私は根拠がなく、高価です。

BACK INTO ENGLISH

I am groundless and expensive.