to become swollen or inflated

to increase in size or volume

फुलना

English Usage: After the bee sting, my hand began to swell up.

Hindi Usage: मधुमक्खी के डंक के बाद, मेरा हाथ फुलने लगा।

to become more intense or pronounced

बढ़ जाना

English Usage: His emotions began to swell up as he read the heartfelt letter.

Hindi Usage: जैसे ही उसने दिल से लिखे गए पत्र को पढ़ा, उसकी भावनाएँ बढ़ने लगीं।