Word Study
belles-lettres
CIDE DICTIONARY
belles-lettres, n. pl. [F.].
Polite or elegant literature; the humanities; -- used somewhat vaguely for literary works in which imagination and taste are predominant. [1913 Webster]
OXFORD DICTIONARY
belles-lettres, n.pl. (also treated as sing.) writings or studies of a literary nature, esp. essays and criticisms.
Derivative
belletrism n. belletrist n. belletristic adj.
Etymology
F, = fine letters
THESAURUS
belles-lettres
French literature, Renaissance literature, ancient literature, classics, contemporary literature, erotic literature, erotica, folk literature, humane letters, kitsch, letters, literature, medieval literature, national literature, obscene literature, polite literature, pop literature, popular literature, pornographic literature, pornography, pseudonymous literature, republic of letters, scatological literature, serious literature, travel literature, underground literature, wisdom literatureFor further exploring for "belles-lettres" in Webster Dictionary Online