a formal public statement; "the government made an announcement about changes in the drug war"; "a declaration of independence"
a public statement about something that is happening or going to happen; "the announcement appeared in the local newspaper"; "the promulgation was written in English"
earnest and conscientious activity intended to do or accomplish something; "made an effort to cover all the reading material"; "wished him luck in his endeavor"; "she gave it a good try"