Word.ws English Dictionary

longest

UK/ˈlɒŋɡəst//ˈlɔŋɡəst/

longest is the superlative form of long.

longest is the second-person singular simple present indicative of long.

Meaning of long

Adjective

long (comparative longer or more long, superlative longest or most long)

  1. Having much distance in space from one end to the other.
    • I need a long piece of wood.
    1. Specifically, having much distance in a horizontal dimension (see also Usage Notes below).
      • This table is long but not very high.
    2. Travelling a great distance.
      • Smith hoofs a long ball up to Jones.
    3. (informal) Having a long penis.
      • My ex was very strong but not very long.
  2. (usually, landing aircraft) Passing or landing ahead of or beyond the intended target or location.
    • The plane touched down long and overran the end of the runway.
  3. Going beyond the intended target.
    • That forehand was long. It landed two feet beyond the baseline.

See all 41 meanings of long

Noun

longest (plural longests)

  1. Something that is longer than all others in its class.
    • The game's legacy transcended all the longests and firsts for UCLA. It inspired Salcedo to want to play for the Bruins, especially after the team awarded him a championship ring at its postseason banquet.2018, Ben Bolch, 100 Things UCLA Fans Should Know & Do Before They Die (page 297)

Proper noun capitalized: Longest

Longest (plural Longests)

  1. A surname.

Forms of longest

Noun
plurallongests
Proper noun
pluralLongests

Origin of longest

From long + -est.

Words formed from longest

Phrases with longest

Questions about longest

What does longest mean?
Longest means something that is longer than all others in its class.
What is longest the superlative form of?
Longest is the superlative form of long.
What part of speech is longest?
Longest can be a noun or a proper noun.
How do you pronounce longest?
Longest is pronounced /ˈlɒŋɡəst/ (UK).
What is the plural of longest?
The plural of longest is longests.

Words near longest in the dictionary

  1. Longerenong
  2. longeron
  3. longerons
  4. longers
  5. longes
  6. longest
  7. longest ago
  8. longest grain
  9. longest-acting
  10. longest-distance
  11. longest-felt

Source and license

Adapted from Wiktionary: longest (page history and authors); Longest (page history and authors); long (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Persent101-longest.wav.

Cite this entry: “longest.” Word.ws, https://word.ws/longest. Based on Wiktionary, CC BY-SA 4.0.