1. 
[syn: free-and-easy, casual]
The Collaborative International Dictionary of English v.0.48:
free-and-easy \free-and-easy\ adj.
   1. unconstrained and informal; as, an informal free-and-easy
      manner. Opposite of stiff, starchy, formal.
   Syn: casual.
        [WordNet 1.5 +PJC]
   2. lacking normal concern for propriety.
   Syn: free-and-easy.
        [PJC]
WordNet (r) 3.0 (2006):
free-and-easy
    adj 1: natural and unstudied; "using their Christian names in a
           casual way"; "lectured in a free-and-easy style" [syn:
           free-and-easy, casual]