A humanoid robot equipped with an interface for natural dialog with an interlocutor is provided. Previously, the modalities of dialog between humanoid robots equipped moreover with evolved displacement functionalities and human beings are limited notably by the capabilities for voice and visual recognition processing that can be embedded onboard said robots. The present disclosure provides robots are presently equipped with capabilities to resolve doubt on a several modalities of communication of the messages that they receive and for combining these various modalities which make it possible to greatly improve the quality and the natural character of dialogs with the robots' interlocutors. This affords simple and user-friendly means for carrying out the programming of the functions making it possible to ensure the fluidity of these multimodal dialogs.