Words at Play : 12 Oversized Words
Definition:
: a comprehensive conception or apprehension of the world especially from a specific standpoint
Example:
"... but as your weltanschauung failed, your world view, the Marxist millennium, so has my stomach... It is the oyster in the shell that has done for me." Howard Brenton, "H.I.D. (Hess Is Dead)" in The Theatre of the Holocaust, 1999
About the Word:
No list of unnecessarily long words would be complete without an entrant from German, a language which often appears to exist in order to create such creatures. Weltanschauung has been in use in English since 1868, and serves your purpose for when you need to describe your outlook on the world while conveying a certain Teutonic je ne sais quoi.