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English definition of “swell”

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swell

verb uk   /swel/ (swelled, swollen or swelled) us  
C2 [I or T] to become larger and rounder than usual; to (cause to) increase in size or amount: It was obvious she had broken her toe, because it immediately started to swell (up). 25 employees have joined the union in this month alone, swelling its ranks (= increasing its size) to 110. literary His heart/breast swelled with pride (= he felt very proud) as he stood watching his son graduate. [I] If music swells, it becomes louder.
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swell

noun [S] uk   /swel/ us  

swell noun [S] (WAVES)

the slow up and down movement of the sea with large but smooth waves
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swell noun [S] (SOUND)

swell

adjective uk   /swel/ US old-fashioned informal us  
very good or pleasant: That's a swell idea!

swell

adverb uk   /swel/ US old-fashioned informal us  
very well: Everything's going real swell.
(Definition of swell from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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