a. inclined to intrude or thrust one's self or one's opinions upon others; enter uninvited; forward; pushing; intrusive.
I might have escaped notice, had not my treacherous slate somehow happened to slip from my hand, and falling with an obtrusive crash, directly drawn every eye upon me.
Sentence in Classic:
Rosedale, who was slipping through the crowd with an air half obsequious, half obtrusive, as though, the moment his presence was recognized, it would swell to the dimensions of the room.
House of Mirth By Edith Wharton Context
He stood as opposed to Captain Wentworth, in all his own unwelcome obtrusiveness; and the evil of his attentions last night, the irremediable mischief he might have done, was considered with sensations unqualified, unperplexed.