Wordnet 3.0
ADJECTIVE (1)
1. 
 easy and not involved or complicated; 
- Example: "an elementary problem in statistics"- Example: "elementary, my dear Watson"- Example: "a simple game"- Example: "found an uncomplicated solution to the problem"[syn: elementary, simple, uncomplicated, unproblematic]
WordNet (r) 3.0 (2006):
unproblematic
    adj 1: easy and not involved or complicated; "an elementary
           problem in statistics"; "elementary, my dear Watson"; "a
           simple game"; "found an uncomplicated solution to the
           problem" [syn: elementary, simple, uncomplicated,
           unproblematic]