Synonyms of lengthy

lengthy

adjective

ˈleŋ(k)-thē 

1

as in long

of great extent from end to end

she used a lengthy piece of rope to tie her dog to a tree

Synonyms & Similar Words

• long
• elongate
• extended
• large
• extensive
• outstretched
• longish
• oblong
• sizable
• far-reaching
• rectangular
• big
• king-size
• considerable
• substantial
• oversize
• hefty
• super
• jumbo
• largish
• biggish
• hulking
• overscale

Antonyms & Near Antonyms

• brief
• short
• curt
• abbreviated
• curtailed
• diminished
• abridged
• shortish
• small
• little
• tiny
• minute
• diminutive
• miniature
• shortened
• puny
• wee
• smallish
• undersized
• bitty
• teeny

2

as in far

lasting for a considerable time

the store manager gives new associates a lengthy sermon on the evils of shoplifting

Synonyms & Similar Words

• long
• far
• endless
• extended
• great
• long-drawn-out
• prolonged
• protracted
• marathon
• long-term
• long-lived
• interminable
• longish
• persistent
• overlong
• permanent
• everlasting
• multiyear
• aeonian
• all-day
• multiday
• all-night

Antonyms & Near Antonyms

• brief
• short
• little
• short-term
• sudden
• mini
• abrupt
• abbreviated
• curtailed
• condensed
• short-lived
• shortish
• transient
• momentary
• fleeting
• ephemeral
• transitory
• shortened
• short-range
• impermanent

Example Sentences

Recent Examples of lengthy

Strict filing deadlines, combined with lengthy certification processes, can further delay approvals or cause employers to miss valuable tax credit opportunities. — Paul Toomey, Forbes.com, 2 Sep. 2026

The vulnerability, the crass graffiti, the (lack of) cleanliness, uncomfortable toilet seats—the list of reasons is lengthy. — Andrew Paul, Popular Science, 2 Sep. 2026

Despite his lengthy career spanning Trainspotting, 28 Days Later, Slumdog Millionaire and last year’s 28 Years Later, Boyle had never previously brought a movie to Venice. — Patrick Brzeski, HollywoodReporter, 2 Sep. 2026

Faced with the lengthy process of obtaining federal approval, county officials left the park largely untouched for years. — Oliver Wu, Rolling Stone, 1 Sep. 2026