because they are very silly
Mr. Bennet calls Kitty and Lydia the silliest girls in the country because they are silly, superficial, and lack maturity. They are easily influenced by fashion and flirtatious behavior without considering the consequences of their actions or societal expectations. This behavior reflects their lack of understanding and seriousness about navigating the social expectations and constraints of their time.
Elizabeth Bennet, Jane Bennet, Mary Bennet, Catherine "Kitty" Bennet, Lydia Bennet
In the 1995 movie the sisters were played by:Susannah Harker as Jane Bennet ,Julia Sawalha as Lydia Bennet ,Polly Maberly as Kitty Bennet and Lucy Briers as Mary Bennet. In the 2005 movie the sisters were played by:Rosamund Pike as Jane Bennet,Jena Malone as Lydia Bennet, Carey Mulligan as Kitty Bennet and Talulah Riley as Mary Bennet.
Mr. and Mrs. Bennet have five daughters: Jane, Elizabeth, Mary, Catherine (Kitty), and Lydia.
Mr. Bennet thinks that Kitty and Lydia are silly because they never think of anything serious or important. All they worry about is boys, parties, and balls. They spend a lot of time giggling and flirting.
The Bennet Group is owned by Mrs. Bennet, the mother of the five Bennet sisters in Jane Austen's novel "Pride and Prejudice." In the story, Mrs. Bennet is married to Mr. Bennet and they have five daughters: Jane, Elizabeth, Mary, Kitty, and Lydia.
Lydia's marriage separates Lydia from Kitty, ending her bad influence. With Lizzy's marriage, Kitty moves to Pemberly and is exposed to much better manners and education among the people with whom she associates; she benefits greatly from this.
The Lydia Bennet - 2012 Answers from The Lydia Bennet 2 2-15 was released on: USA: 21 November 2012
Kitty and Lydia Bennet in Jane Austen's Pride and Prejudice are primarily interested in flirting with the military officers stationed in the town. They enjoy the attention and thrill of the flirtation, which eventually leads Lydia into a scandalous elopement with Mr. Wickham.
Kitty and Lydia excitedly inform their mother, Mrs. Bennet, that Mr. Bingley is planning to host a ball at Netherfield Park. They also mention that Mr. Bingley arrived with his friend, Mr. Darcy, who is considered to be very wealthy and eligible.
Mr Darcy, Elizabeth Bennet, Jane Bennet, Mary Bennet, Kitty Bennet, Lydia Bennet, Mrs. Bennet, Mr. Bennet, Mr. Bingley, Bingley Sisters, Charlotte Lucas, Mr. Collins, Mr. Wickham, The Gardiners, Lady Catherine De Bourgh, Miss De Bourgh, Etc.
The Lydia Bennet - 2012 was released on: USA: 13 July 2012
Mr. Bennet was likely speaking of Lydia when he remarked on one of his daughters' poor judgment. Lydia's impulsiveness and lack of discretion often lead to trouble and embarrassment for the family in Jane Austen's novel "Pride and Prejudice."