Antonyms of adj diagrammatical

1 sense of diagrammatical

Sense 1
diagrammatic, diagrammatical -- (shown or represented by diagrams)

INDIRECT (VIA delineated) -> undelineated -- (not represented accurately or precisely)

Similarity of adj diagrammatical

1 sense of diagrammatical

Sense 1
diagrammatic, diagrammatical -- (shown or represented by diagrams)
       => delineated (vs. undelineated), represented, delineate -- (represented accurately or precisely)