lengthiest

adjective

SayLENG-thee-ist/ˈlɛŋθiɪst/

1 meaning of lengthiest

1
adjective
Superlative of lengthy. Use it for the one thing that takes the most time or is the longest of all.
That was the lengthiest movie I have ever sat through.
Her speech turned out to be the lengthiest part of the whole evening.
Note

lengthiest is a form of lengthy

lengthy, adjective: Going on for a long time, often longer than people want. Full entry

Forms: lengthylengthier comparativelengthiest superlative
Spelling: lengthy → lengthiest: change y to i, add -est

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