ONAD→ultra-

ultra-

EnglishOxford New American Dictionary

ultra- /ˈəltrə, ˈəltrə

/

▸ prefix

1 extreme; to an extreme degree:

ultramicroscopic

ultraradical.

2 beyond; on the other side of:

ultramontane.

Often contrasted with cis-.

– ORIGIN from Latin ultra ‘beyond’.