IPA: /əbˈtruːsɪvnəs/
KK: /əbˈtruːsɪvnəs/
The quality of being noticeable in a way that is unwelcome or intrusive.
Her obtrusiveness made it difficult for others to express their opinions freely.
Obtrusiveness → It is formed from "ob-" (meaning against) and "trudere" (meaning to push). The suffix "-ness" indicates a state or quality. Thus, obtrusiveness refers to the quality of pushing against or being intrusive.
Think of something that is 'pushing against' ('ob-') your space or comfort, which helps you remember that obtrusiveness means being intrusive.