Long, yearn, hanker, pine, hunger, thirst mean to have a strong desire for something. Long implies a wishing with one's whole heart and often a striving to attain. Linguistics a long syllable, vowel, or consonant.
Long is used in expressions such as all year long, the whole day long, and your whole life long to say and emphasize that something happens for the whole of a particular period of time. 4 days agowide may be used instead of long when referring to a left-to-right horizontal dimension, or to a horizontal dimension shorter than that described as long (for example, a river that is wide and long). She walked long past the end of the trail.
See examples of long used in a sentence. Long meaning, definition, what is long: Definition of long adjective in oxford advanced learner's dictionary.