long-term adjective 2adverb 1long term noun 1forms 2 adjective2 •Becoming evident after a relatively long time period.Time will tell what the long-term impact of the Beijing Olympics will be. But history shows that once people get a taste of freedom, they eventually want more. — 2010 •Extending over a relatively long time period.Asari Cultural VI: Due to our lifespan-sometimes reaching 1,000 years of age-we are patient in our decisions, and prefer long-term solutions over short-term gains. — 2017 adverb1 •Over a relatively long period of time. long term noun1 •The longer period, dealing with more than the short-term effects or concerns. formslonger-term · longest-term