Pronunciation: [ba͡ɪ ðə dˈe͡ɪ] (IPA) 
The phrase "by the day" is spelled as /baɪ ðə deɪ/. The first part, "by," is pronounced as it is spelled, with the vowel sound /aɪ/. The second part, "the," is pronounced with the voiced dental fricative /ð/ followed by the schwa sound /ə/. Finally, "day" is spelled with the diphthong /eɪ/, which is a combination of the vowel sounds /e/ and /ɪ/. This phrase means something that is measured or paid on a daily basis.
The phrase "by the day" is an idiomatic expression that refers to something that changes, increases, or occurs on a daily basis. It implies a sense of progression or development over time.
Specifically, "by the day" can imply gradual change or advancement in a certain situation, usually with positive connotations. For example, if someone says that a project is improving "by the day," it suggests that every day the project is getting better and progressing towards its desired outcome.
Additionally, "by the day" can also indicate the increasing frequency or intensity of a particular event or phenomenon. For instance, if someone states that the number of COVID-19 cases is rising "by the day," it means that every passing day witnesses a higher number of cases. This interpretation often emphasizes the urgency and seriousness of the situation.
Furthermore, "by the day" can indicate the cost or rate at which something accrues or accumulates. For example, if someone claims that the interest on a loan is increasing "by the day," it implies that the amount owed rises daily.
In summary, "by the day" is an expression that signifies steady progress, intensification, or accumulation on a daily basis.
