The phrase "substantial ego" is correct and can be used in written English.
It describes a person who has a strong sense of self-importance or self-confidence. Example: His substantial ego often got in the way of collaborating with others and hindered his progress in the workplace.
No one establishes a conducting career of four decades at the highest level without considerable assurance and, yes, a substantial ego.
There was a sense among some within the organization that for a time, there was not enough room for the two players of substantial ego, the lines clearly drawn between them.
Awakening to the emptiness of all things, to their lack of substantial own-being or egoity (Japanese: shogyōmuga), thus frees one both from an ego-centered and reified view of things, and from the illusion of the substantial ego itself.
The talent in the present-day team is undisputed but can they weld their substantial egos into a team.
Balancing the collection of substantial egos has been a delicate task, but with the proceedings date approaching, the team appears to have jelled, according to interviews with people not authorized to speak publicly.
A memorial service for a well loved folkie is the occasion for a number of folk legends with battered but substantial egos to come out of the hedgerows for a unique reunion concert in New York.
So that's how easy it is to put together a team capable of going on historic win streaks: just get three superstars, including at least one all-time great, surround them with the right group of valuable role-players and make sure they can all work together despite the fact that they're all competitive people with substantial egos.
Even so, if one engages in a religious practice, such as prayer to God or Buddhist meditation to see through the illusion of having a substantial, enduring ego, the development of some sort of philosophical theory to make sense of this practice seems inevitable.
Nicki Minaj is famous for her many assets, including but not limited to her singing and rapping talent, a plethora of alter egos, and a substantial back end, the latter which she put to use on her touring partner Lil' Wayne.
Much of his output is about creating something substantial but complex and unpin-downable -- a life, a viable ego, an art -- out of having nothing or very little.
According to another study which collected ego-centric network data of older Korean adults in an urban area [ 90], there was no substantial difference between the KSHAP sample and urban Korean older adults in terms of their social network characteristics.
