Or must they have been pushed, perhaps by her disreputable boyfriend or even a deranged stranger?
Gohmert argued on Fox that the deranged shooter chose the elementary school because “they know no one will be armed.”
At age 5, he was sent to live with his deranged grandmother.
c.1790, "insane;" of things, "out of order," from 1796; past participle adjective from derange (v.).
1776, "throw into confusion," from French déranger, from Old French desrengier "disarrange, throw into disorder," from des- "do the opposite of" (see dis-) + Old French rengier (Modern French ranger) "to put into line," from reng "line, row," from a Germanic source (see rank (n.)). Mental sense first recorded c.1790.