Meaning : Be on top of.
Example :
The scarf surmounted the gown.
Meaning : Be or do something to a greater degree.
Example :
Her performance surpasses that of any other student I know.
She outdoes all other athletes.
This exceeds all my expectations.
This car outperforms all others in its class.
Synonyms : exceed, outdo, outgo, outmatch, outperform, outstrip, surpass