Stigmatic \Stig*mat"ic\, Stigmatical \Stig*mat"ic*al\, a. [See {Stigma}.] 1. Marked with a stigma, or with something reproachful to character. 2. Impressing with infamy or reproach. [R.] 3. (Bot., Anat., etc) Of or pertaining to a stigma or stigmata. {Stigmatic geometry}, or {Stigmatics}, that science in which the correspondence of index and stigma (see {Stigma}, 7) is made use of to establish geometrical proportions.