bare-bones adjective 2bare bones noun 1forms 2 adjective2 •Minimalist; lacking that which is not essential.Meals on early space flights were bare-bones affairs; able to supply nutrition, but severely lacking in palatability. •Describes a computer sold preassembled, but without certain essential components, such as a processor, memory, and hard drive.Emil bought a bare-bones rig and a new CPU at the computer show, then popped in his old hard drive. bare bones noun[plural only]1 •The essential elements of something; the minimum viable set of elements; especially when they are described without going into detail.He had only been taught the bare bones of the system, but carried on regardless. formsmore bare-bones · most bare-bones