¹ long adjective

• extending a great distance from one end to the other end : not short
• extending a specified distance : having a specified length
• lasting or continuing for a great amount of time

² long adverb

• for or during a long time : for many years, days, hours, etc. —sometimes used in combination
• for a specified period of time
• at a time far before or after a specified moment or event

³ long noun

⁴ long verb

• to feel a strong desire or wish for something or to do something