castile soap

noun

cas·​tile soap (ˌ)ka-ˈstēl- 

often capitalized C

: a fine hard bland soap made from olive oil and sodium hydroxide

also : any of various similar soaps

Examples of castile soap in a Sentence

Recent Examples on the Web

Mop the wall: Using a mixture of warm water and castile soap from a bucket, gently begin mopping the wall vertically. —Kait Hanson, Southern Living, 3 Nov. 2024

Instead of insecticides, the owners of Krueger’s Christmas Tree Farm in Lake Elmo use a homemade mix of peppermint castile soap and neem oil to get rid of the bothersome bugs. —Mary Divine, Twin Cities, 5 Feb. 2024

This castile soap has 18 uses, ranging from handwashing to dish washing to laundry and even household cleaning. —Tabitha Britt, Better Homes & Gardens, 1 Dec. 2023

This nourishing, alcohol-free cleanser treats and conditions suede shoes using key, natural ingredients including organic aloe leaf, witch hazel, and castile soap to gently clean suede while replacing essential vitamins and nutrients. —Alyssa Rotunno, Travel + Leisure, 17 Nov. 2023

Word History

Etymology

Middle English castell sope, from Castell Castile

First Known Use

15th century, in the meaning defined above

Rhymes for castile soap

• electroscope
• heliotrope
• kaleidoscope
• laryngoscope
• ophthalmoscope
• oscilloscope
• polariscope
• stereoscope
• antelope
• bronchoscope
• cantaloupe
• cystoscope

Medical Definition

castile soap

noun

cas·​tile soap (ˌ)kas-ˌtēl- 

: a fine hard bland soap made from olive oil and sodium hydroxide

also : any of various similar soaps