DIVIDING LINE

Pronunciation (US): (GB):

Meaning:

A conceptual separation or distinction

Example:

there is a narrow line between sanity and insanity

Synonyms:

contrast; demarcation; dividing line; line

Classified under:

Nouns denoting cognitive processes and contents

Hypernyms ("dividing line" is a kind of...):

differentiation; distinction (a discrimination between things as different and distinct on the basis of their characteristics or attributes)

Hyponyms (each of the following is a kind of "dividing line"):

point of no return; Rubicon (a line that when crossed permits of no return and typically results in irrevocable commitment)