00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersredUS /rɛd/・UK /red/AdjectiveBeing the color of bloodA1More unknownUS /ˌʌnˈnoʊn/・UK /ˌʌnˈnəʊn/AdjectiveNot being known or famousBeing unfamiliar or not knownCountable NounPerson who is not famous or known by manyB1More blueUS /blu/・UK /blu:/AdjectiveColor of the clear skyFeeling sad or downA1More riverUS /ˈrɪvɚ/・UK /ˈrɪvə(r)/Noun (Countable/Uncountable)Flowing water that runs from mountains to the seaA1More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock