transitive verb. To cause (a person) to become less multifaceted or proficient in skill, as by redefining a job or by being out of the workforce.

transitive verb. To cause (an occupation or industry) to require less skill, as from the introduction of technology or from a redefinition of responsibilities.

verb. To redesign (a job) so that less skill is required to carry it out, for example through the introduction of new technology.

verb. To change the role of (workers) so that they are no longer required or able to use the skills that they have acquired.

"What I found far less persuasive was his implication that numerical control, and automation in general, almost inevitably oppress and "deskill" the work force."