00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filtersanxietyUS /æŋˈzaɪɪti/・UK /æŋ'zaɪətɪ/Uncountable NounFear about what might happen; worryB1More authenticUS /ɔˈθɛntɪk/・UK /ɔ:ˈθentɪk/AdjectiveFrom a reliable source; accurate; trueB1More phenomenonUS /fɪˈnɑməˌnɑn, -nən/・UK /fə'nɒmɪnən/Noun (Countable/Uncountable)Unusual event, fact that can be studiedInteresting or unusual person, groupB1More subtleUS /ˈsʌtl/・UK /'sʌtl/AdjectiveDelicate or slight so it is difficult to perceiveClever or indirect but hides the true purposeB1More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock