IPA: //ˈnɒndɪskrɪpt//
KK: /nɑnˈdɪskrɪpt/
Having no distinctive or interesting qualities; not easily described or categorized.
The building was so nondescript that it blended in with all the others on the street.
Nondescript → It is formed from "non-" (meaning not) and "descript" (from Latin "descriptus", meaning described). The word "nondescript" refers to something that is not easily described or lacks distinctive features.
Think of something that is 'not' ('non-') easily 'described' ('descript') — that's why nondescript means it lacks distinctive characteristics.