Meaning of “longing” - Learner’s Dictionary

longing

noun [ U, no plural ] uk us /ˈlɒŋɪŋ/

a feeling of wanting something or someone very much:

He gazed at her, his eyes full of longing.
a longing for his homeland
longingly adverb

She looked longingly at the silk dresses.

(Definition of “longing” from the Cambridge Learner’s Dictionary © Cambridge University Press)