IPA: /ɪnˈkɑːrsəreɪt/
KK: /ɪnˈkɑrsəˌreɪt/
To put someone in prison or to confine them against their will.
The judge decided to incarcerate the criminal for five years.
Past: incarcerated
Past Participle: incarcerated
Incarcerate → It is formed from "in-" (meaning in or into) and "carcer" (meaning prison or jail). The word "incarcerate" means to put someone into prison or confine them.
Think of putting someone 'into' ('in-') a 'prison' ('carcer') — that's why incarcerate means to confine someone.