[pur-pi-trey-ter] /ˈpɜr pɪˌtreɪ tər/
a person who , or commits, an illegal, criminal, or evil act:
The perpetrators of this heinous crime must be found and punished to the fullest extent of the law.
literally “the one who did it” (in English usually an evil act), 1560s, from Late Latin perpetrator, agent noun of perpetrare “to perform, to accomplish” (see perpetrate). Fem. forms are perpetratress (1811, of Nero’s poisoner Locusta); perpetratrix (1862, in reference to Charlotte Corday).
[per-pech-oo-uh l] /pərˈpɛtʃ u əl/ adjective 1. continuing or enduring forever; everlasting. 2. lasting an indefinitely long time: perpetual snow. 3. continuing or continued without intermission or interruption; ceaseless: a perpetual stream of visitors all day. 4. blooming almost continuously throughout the season or the year. noun 5. a hybrid rose that is perpetual. 6. […]
noun, Roman Catholic Church. 1. uninterrupted adoration of the Blessed Sacrament.
noun 1. a calendar devised to be used for many years, as in determining the day of the week on which a given date falls. 2. a desk calendar with months, days, and dates that can be changed, as by adjusting various dials, so that it may be used over and over for many years.
noun, Chess. 1. a continuing series of checks resulting in a drawn game because they cannot be halted or evaded without resulting in checkmate or a serious disadvantage. 2. the situation in which this occurs. noun 1. (chess) a consecutive series of checks that the checked player cannot avoid, leading to a drawn game