Posh synonyms for "a lot" include abundance, profusion, myriad, and plethora, which emphasize a high quantity or, in some cases, an excessive amount. For a more formal or academic tone, terms like considerable, substantial, numerous, or a great deal of are effective substitutes.
Some common synonyms of excessive are exorbitant, extravagant, extreme, immoderate, and inordinate. While all these words mean "going beyond a normal limit," excessive implies an amount or degree too great to be reasonable or acceptable.
Bear in mind that this phrase is considered informal; it should not be used in a formal context like academic writing. Replace it with a more formal synonym like “a great deal” or “many” when necessary.
abundant adequate ample complete considerable copious countless endless everywhere extravagant galore generous immeasurable jam-packed lavish lotsa many mega mucho no end plenteous plentiful profuse satisfying sizable substantial sufficient very many voluminous.
A lot means “a large number or amount,” or “a great deal.” Lots is plural and a slightly more informal phrase with the same meaning. There were a lot of people at the gala last night. There were lots of people at the gala last night. Both a lot of and lots of are considered wordy.
At St Andrews and Edinburgh the term more frequently used is 'yah'. The use of the term 'yah', similarly, is likely to have been furthered by a perceived and much-parodied upper-class pronunciation of the word 'year' in the phrase 'gap year'.
