nounπShareThe Greek letter omega."The math teacher explained that "Ξ©," the last letter in the Greek alphabet, is called "oo." "languagewordChat with AIVocabulary GamePractice Reading
nounπShareAny of four Hawaiian birds of the genus Moho, formerly classed with the honeyeaters and now believed to be extinct."Scientists fear that the last 'oo, a Hawaiian bird known for its beautiful song, is gone forever. "animalbirdbiologyenvironmentnatureChat with AIVocabulary GamePractice Reading
interjectionπShareAn expression of surprise.""Oo, I didn't expect to get a perfect score on the test!" "emotionexclamationlanguagewordcommunicationChat with AIVocabulary GamePractice Reading
interjectionπShareAn expression of awe.""Oo, look at that amazing sunset!" "emotionexclamationlanguageChat with AIVocabulary GamePractice Reading
interjectionπShareA sound made to imitate a ghost."Little Timmy hid under the blanket and said, "Oo," trying to scare his sister. "soundentertainmentexclamationlanguageChat with AIVocabulary GamePractice Reading
interjectionπShareAn expression of affection."My little sister ran up and hugged me tightly, saying, "Oo, I love you!" "emotioncommunicationChat with AIVocabulary GamePractice Reading
interjectionπShareAn expression of pain.""Oo, that hurt!" I exclaimed when I stubbed my toe on the chair. "sensationemotionsufferingsoundexclamationChat with AIVocabulary GamePractice Reading
