Bare-bones can be defined as something that has just the basics or necessities. Its antonyms include words such as intricate, detailed, sophisticated, elaborate, and comprehensive. Intricate refers to something that is made up of complex details or parts. Detailed suggests that something is clearly and thoroughly described or explained. Sophisticated refers to something that is complex, advanced, or refined. Elaborate suggests something that is complex or extensive in detail. Comprehensive means including all or nearly all aspects of something. All these words are antonyms for bare-bones and depict something that is more sophisticated and intricate than the basic essentials.