IPA: /ˈsɛvənˌtiːnθ/
KK: /sɛvənˈtiːnθ/
A term used to describe the position of something in a sequence that is number 17.
She finished in seventeenth place in the race.
Seventeenth is formed from "seven" (from Old English "seofon", meaning the number seven) and "-teenth" (a suffix used to denote ordinal numbers, derived from the Old English "-tīene", meaning ten). The word "seventeenth" refers to the ordinal position of seven in a sequence of ten, indicating it is the seventh number after ten.
Think of the number 'seven' and remember that 'seventeenth' means it is the seventh position in a sequence of ten.
No commonly confused words.