the GNU version of the Collaborative International Dictionary of English
adj. Pertaining to antithesis, or opposition of words and sentiments; containing, or of the nature of, antithesis; contrasted.
The Century Dictionary and Cyclopedia
Same as antithetical.
n. A direct opposite.
n. pl. The doctrine of contrasts.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. sharply contrasted in character or purpose
Word Usage
"Anticlinal structures that include some landward-verging reverse faults (referred to as antithetic) are produced, with create the tectonic ridges that you can see in the bathymetric map in Figs. 7 and 8 above."