bare-bones

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.

Considering their civilization endured both the immense disaster of the Scourge and the brutal kett invasion, angara possess remarkably advanced technology. Their starships, while generally small and bare-bones functional, are more than capable of keeping pace with Andromeda Initiative vessels.

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.