Longest
//ˈlɒŋɡəst// adj, adv, name, verb
adj, adv, name, verb ·Uncommon ·Advanced level
Definitions
Verb
- 1 second-person singular simple present indicative of long archaic, form-of, indicative, present, second-person, singular
Adjective
- 1 superlative form of long: most long form-of, superlative
"It's not the longest or tallest viaduct in Britain, but the landscape upon which it sits makes for a stunning backdrop."
Adverb
- 1 superlative form of long: most long form-of, superlative
Adverb
- 1 for the most time wordnet
Proper Noun
- 1 A surname.
Synonyms
All synonymsExample
More examples"The Nile is the longest river in the world."
Etymology
long + -est
More for "longest"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.