adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having length, but no width, height or depth. not-comparable, usually

   "A straight line is one-dimensional."

2. 2
   Lacking depth or believability; flat. figuratively, not-comparable, usually

   "one-dimensional characters"

3. 3
   Lacking personal depth and substance; conceited, vain, shallow, superficial. figuratively, not-comparable, usually

Adjective

1. 1
   of or in or along or relating to a line; involving or having a single dimension wordnet
2. 2
   relating to a single dimension or aspect; having no depth or scope wordnet

Synonyms

All synonyms

linearunidimensional

Example

More examples

"A straight line is one-dimensional."

Related phrases

one-dimensionallyquasi-one-dimensional

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.