2 the quality of not dealing with very serious or important subjects, or not needing much serious thought:
Excellent performances by the two leads make up for the slightness of the tale.
The language they use disguises the slightness of their contribution to public debate.
Given the slightness of the resemblance, it's surprising he noticed it.
The very slightness of the change long prevented its being appreciated or noticed.
His black uniform accentuated both the slightness of his build and the natural paleness of his skin.
His physical slightness meant he was held back in age-group sport.
The play is profoundly affecting, despite the apparent slightness of its subject matter.
Sometimes the slightness of subject matter cannot be concealed by the brilliance of the execution.
