'Fundamentally' definitions:

Definition of 'fundamentally'

From: WordNet
adverb
In essence; at bottom or by one's (or its) very nature; "He is basically dishonest"; "the argument was essentially a technical one"; "for all his bluster he is in essence a shy person" [syn: basically, fundamentally, essentially]

Definition of 'Fundamentally'

From: GCIDE
  • Fundamentally \Fun`da*men"tal*ly\, adv. Primarily; originally; essentially; radically; at the foundation; in origin or constituents. "Fundamentally defective." --Burke. [1913 Webster]