[de.mean] vt de.meaned ; de.mean.ing [ME demenen, fr. MF demener to conduct, fr. de- + mener to lead, fr. L minare to drive, fr. minari to threaten--more at mount] (14c): to conduct or behave (oneself) usu. in a proper manner
[2]demean vt de.meaned ; de.mean.ing [de- + [1]mean] (1601): to lower in character, status, or reputation