int. 喂，哈罗
int.|hello/hallo;喂，哈罗
根据权威词典和百科资料，"holloo"是一个感叹词，其含义和用法可归纳如下：
一、核心释义 作为感叹词使用时，主要表达两种含义：
二、发音特征 存在两种主流发音体系：
三、使用建议 该词属于较罕见的古旧用法，多见于早期文学作品中。现代英语交流中更推荐使用"hello"、"hey"等常见问候语。在学术写作或正式场合中建议避免使用该词汇（）。
四、词源辨析 可能与狩猎用语"hollo"存在词源关联，后者指猎人发现猎物时的呼喊声。但现代词典已将其作为独立词条收录，强调其作为问候语的功能（）。
Holloo is an archaic word that is not commonly used in modern English. Its usage is primarily limited to literature and historical contexts.
Holloo is an exclamation or a shout used to attract attention or to signal one's presence. It is similar to the modern-day word "hello" or "hey".
Example Sentence: Holloo, is anyone there?
Holloo is typically used to draw attention or to signal one's presence in a loud or noisy environment. It can also be used to startle or frighten someone.
Example Sentence: The hunter hollooed to his companions to signal that he had found his prey.
Some synonyms for holloo include:
There are no direct antonyms for holloo. However, words that have the opposite meaning of holloo in certain contexts include:
deeraimlesspoke one's nose intowhelmcommemorativelexicologynihilpileoustougherunshakenyulohcurrent situationdesired valuefour ballsout of shapeover againstprojection screenunder wrapsaquaboardarborescencebenaprizinecarboranecarotenosisfungitoxicityhausmannitehautboyhysterolysisliquidensitometerleukonychiaadhesions