(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
look at these lovely flowers!¡mira que flores más bonitas!;the house was full of lovely thingsla casa estaba llena de detalles preciosos;la casa estaba llena de detalles monísimos (informal);she has two lovely sonstiene dos hijos preciosos;what lovely children/puppies!¡qué niños/cachorros tan preciosos!;¡qué niños/cachorros más ricos or monos! (informal);this is a lovely place for a holidayeste es un lugar precioso para venir de vacaciones
it's a lovely day!hace un día precioso or muy bueno
what a lovely day!
it's a lovely day for a walkhace un día precioso para dar un paseo;it was a lovely sunny dayhacía un día de sol precioso;we had a lovely daypasamos un día muy agradable
you look lovely, Mariaestás preciosa, María
it's lovely to see you againque alegría volver a verte
how lovely [to see] you!
what a lovely surprise!¡qué sorpresa más agradable!
what lovely weather!¡hace un tiempo estupendo or buenísimo!
what are your new neighbours like? - oh they're lovely peopleAh! Madrid's a beautiful city and the people are lovely!have you met his wife? oh, she's lovelyI think the Queen Mother's a lovely person
he's got a lovely facetiene una cara muy dulce;you do say some lovely thingsdices unas cosas preciosas
3(as intensifier)
it's lovely and cool in herehace un fresquito muy agradable aquí dentro
it's lovely and hot/cold[+drink, water]está calentito/fresquito;[+air]hace calorcito/fresquito