youngest

[ yuhng-gist ]
/ ˈyʌŋ gɪst /

adjective

superl. of young.

noun

a person who is the least old of a group, as the youngest member of a family: Their youngest is still in high school.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for youngests

  • They have got two children, Pip, the eldest is called, and the youngests name is Rags.

    Bliss, and Other Stories|Katherine Mansfield