figurative. Deficient in substance or quality; poor; unsubstantial. Of immaterial things: Wanting in fulness, breadth, force, or vigour; scanty…

Not thorough, detailed, or complete; cursory. Of a perception, judgement, etc.

figurative. Of thought, reasoning, observation, knowledge, or feeling: Lacking depth, superficial.

Lacking depth or thoroughness; shallow, cursory. Also: lacking depth of character or understanding. Obsolete.

Misused for: Having no centre. Obsolete.

Having only the outward form or appearance of a quality or reality, merely external; lacking internal substance, empty, superficial. Obsolete.

figurative. = tenuous, adj. 3.

figurative. Superficial, on the surface. Obsolete. rare.

That is not penetrating, superficial. Obsolete. rare.

figurative. Lacking depth or substance; shallow, superficial.