Your sentence
Words in this sentence
este
this
Determiner
libro
book
Noun
ser
to be (essentially or identified as); to be (in the passive voice sense); to exist; to occur
Verb
menos
less; least
Adverb
interesante
interesting
Adjective
que
that; than; indicates reason; because, for; used to form sentences with an optative meaning; may; indicates emphasis or repetitive answer
Conjunction
el
masculine singular definite article; the; feminine singular definite article used before nouns which start with a stressed /a/
Article
otro
other, another
Determiner