Wordnet 3.0
ADJECTIVE (1)
1. 
 occurring in or having many forms or shapes or appearances; 
- Example: "the multiform universe of nature and man"- John Dewey
The Collaborative International Dictionary of English v.0.48:
Multiform \Mul"ti*form\ (m[u^]l"t[i^]*f[^o]rm), a. [L.
   multiformis; multus much, many + forma shape: cf. F.
   multiforme.]
   Having many forms, shapes, or appearances.
   [1913 Webster]
         A plastic and multiform unit.            --Hare.
   [1913 Webster]
WordNet (r) 3.0 (2006):
multiform
    adj 1: occurring in or having many forms or shapes or
           appearances; "the multiform universe of nature and man"-
           John Dewey [ant: uniform, unvarying]