00More optionsShareSaveReportVideo vocabularyNo vocabulary matches your filterssillyUS /ˈsɪli/・UK /'sɪlɪ/AdjectiveCarelessActing funny or playfullyA2More notionUS /ˈnoʃən/・UK /ˈnəuʃən/NounSudden idea or desire to do somethingB1TOEICMore deliverUS /dɪˈlɪvɚ/・UK /dɪ'lɪvə(r)/Transitive VerbTo give birth to a child; help a woman give birthTo save someone from a problem or crisisA2TOEICMore momentUS /'moʊmənt/・UK /'məʊmənt/Noun (Countable/Uncountable)Very short or brief period of timeA particular period in timeA1More Use EnergyUnlock All VocabularyUnlock pronunciation, explanations, and filtersUnlock