IPA: /ˈɔːkwədnəs/
KK: /ˈɔk.wɚd.nəs/
The condition of feeling uncomfortable or clumsy in social situations.
His awkwardness made it hard for him to make friends at the new school.
Awkwardness is formed from "awkward" (from Old Norse *afkvart*, meaning turned the wrong way) and the suffix "-ness" (meaning the state or quality of). The word describes the state of being turned or positioned in a way that is uncomfortable or clumsy.
Think of being 'turned the wrong way' ('awkward') and how that creates a sense of discomfort or clumsiness, which is what 'awkwardness' means.