longest

adj

1. (form-of, superlative)superlative form of long: most long

   “It's not the longest or tallest viaduct in Britain, but the landscape upon which it sits makes for a stunning backdrop.”

adv

1. (form-of, superlative)superlative form of long: most long

verb

1. (archaic, form-of, indicative, present, second-person, singular)second-person singular simple present indicative of long

name

1. A surname.