Obtruded is a word that means to force something into a situation or to impose something upon someone. There are several synonyms for this word that could be used in its place, depending on the context of the sentence. For example, if you are describing a situation in which something is being forced upon someone, you could use the word imposed or pressed. Other synonyms might include thrust, shoved, or pushed. In some cases, the word insinuated might also be a suitable synonym, as it suggests a subtle way of forcing ideas or opinions upon someone. Whatever synonym you choose, it should accurately convey the forceful nature of the word obtruded.