ob·trude 
/əbˈtru:d/ verb
ob·trudes; ob·trud·ed; ob·trud·ing /əbˈtru:d/ verb formal : to become involved with something or to become noticeable in an unpleasant or annoying way [no obj] ▪ She didn't want to obtrude [=intrude] on/upon their conversation. ▪ The historical details in the movie do not obtrude—they enhance the story by making it more realistic. [+ obj] ▪ He was confident at first, but then doubts began to obtrude themselves. [=he began to have doubts]
