Wordnet 3.0
NOUN (1)
1. 
 a native or inhabitant of the Republic of the Congo; 
ADJECTIVE (1)
1. 
 of or relating to or characteristic of the Congo region or its people; 
- Example: "Congolese rulers"- Example: "the Congolese republic"
The Collaborative International Dictionary of English v.0.48:
Congolese \Congolese\ adj.
   of, relating to, or characteristic of the Congo region or its
   people; as, Congolese rulers; the Congolese republic.
   [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
Congolese \Congolese\ n.
   a native or inhabitant of the Republic of Congo.
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
Congolese
    adj 1: of or relating to or characteristic of the Congo region
           or its people; "Congolese rulers"; "the Congolese
           republic"
    n 1: a native or inhabitant of the Republic of the Congo