- 1[intransitive] well (up) (of a liquid) to rise to the surface of something and start to flow Tears were welling up in her eyes.
- 2[intransitive] well (up) (literary) (of an emotion) to become stronger Hate welled up inside him as he thought of the two of them together. Word Originverb Old English wella, of Germanic origin; related to Dutch wel and German Welle
BrE BrE//wel//; NAmE NAmE//wel//Verb Forms present simple I / you / we / they well
BrE BrE//wel//; NAmE NAmE//wel//he / she / it wells
BrE BrE//welz//; NAmE NAmE//welz//past simple welled
BrE BrE//weld//; NAmE NAmE//weld//past participle welled
BrE BrE//weld//; NAmE NAmE//weld//-ing form welling
BrE BrE//ˈwelɪŋ//; NAmE NAmE//ˈwelɪŋ//