[syn: diametric, diametrical, opposite, polar]
The Collaborative International Dictionary of English v.0.48:
Diametric \Di*am"e*tric\, Diametrical \Di*am"e*tric*al\, a.
1. Of or pertaining to a diameter.
2. As remote as possible, as if at the opposite end of a
diameter; directly adverse.
WordNet (r) 3.0 (2006):
adj 1: related to or along a diameter; "the diametral plane"
[syn: diametral, diametric, diametrical]
2: characterized by opposite extremes; completely opposed; "in
diametric contradiction to his claims"; "diametrical (or
opposite) points of view"; "opposite meanings"; "extreme and
indefensible polar positions" [syn: diametric,
diametrical, opposite, polar]