The antonyms for the phrase "leaved open" include a variety of words and phrases that describe the opposite meaning. Such antonyms might include terms such as "closed," "shut," "sealed," "locked," "secured," "fastened," "barred," "bolted," "latched," "padlocked," "blocked," or "covered." All of these words and phrases describe situations or objects that are intentionally closed off, inaccessible, or inaccessible to prevent unwanted entry or exposure. Antonyms for "leaved open" can be particularly important when discussing security or safety concerns, as they help to identify areas or objects that require additional protection or safeguarding.