IPA: /ˈswæŋkɪnəs/
KK: /ˈswæŋkɪnɪs/
The quality of being stylish, elegant, or luxurious, often in a way that is meant to impress others.
The swankiness of the hotel attracted many wealthy guests.
Swankiness → It is formed from "swank" (originating from the late 19th century, possibly from the Scottish dialect meaning to swagger or show off) and the suffix "-iness" (meaning the quality of). The word "swankiness" refers to the quality of being stylishly luxurious or ostentatiously fashionable.
Think of someone who is 'showing off' ('swank') their stylishness, and the '-iness' indicates the quality of that showiness. This helps you remember that 'swankiness' means the quality of being stylishly extravagant.