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Definitions

at length

ADJECTIVE
detailed
Synonyms
STRONGEST
accurate complicated comprehensive definite exact exhaustive intricate meticulous precise specific thorough
STRONG
amplified circumstantiated complete described developed disclosed elaborate elaborated enumerated exhausting full individualized narrow specified unfolded
WEAK
abundant all-inclusive blow-by-blow circumstantial clocklike copious finicky fussy individual minute nice point-by-point seriatim
Antonyms
STRONGEST
careless false imprecise inaccurate indefinite inexact questionable simple uncertain vague
STRONG
incomplete needy
WEAK
brief cursory inexhaustive nonspecific sparing uncomplicated undetailed
ADJECTIVE
rambling
Synonyms
STRONG
covering scattered spreading straggling strewn trailing
WEAK
gangling here and there irregular random unplanned
Antonyms
WEAK
connected direct straight straightforward
ADVERB
ad infinitum
Synonyms
WEAK
continuously endlessly forever having no end in perpetuity interminably never-ending on and on perpetually relentlessly unlimitedly without end without limit
ADVERB
ad nauseam
Synonyms
WEAK
boringly endlessly in detail lengthily long-windedly more than one can stomach repeatedly repetitively to an excessive degree to nauseating extremes to the point of queasiness too much
ADVERB
finally
Synonyms
STRONGEST
already belatedly eventually someday sooner or later subsequently ultimately
STRONG
lastly
WEAK
after a while after all as a sequel at last at long last at the eleventh hour at the end at the last moment despite delay in conclusion in spite of all in the eleventh hour in the long run sometime tardily
Antonyms
STRONGEST
never
WEAK
doubtfully dubiously inconclusively

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cantwell logged 400 hours of combat flight experience, including missions over Iraq and Afghanistan, and he trained at length for hard parachute landings.

From Barron's • Apr. 3, 2026

In recent days, the fourth-year player has posted several videos on Instagram in which he speaks at length about his religious beliefs.

From Los Angeles Times • Mar. 31, 2026

Khalil has spoken at length about befriending Jewish students at Columbia, attending Shabbat dinners and seeing Jewish students as “integral” during the protest movement on campus.

From Salon • Mar. 12, 2026

But having discussed it at length, researched and explored all the possible options and seen first hand the extent of suffering he's endured, Shelley said her view on assisted dying has changed.

From BBC • Feb. 23, 2026

So at length they came to the private chamber of the Lord of the City.

From "The Return of the King" by J.R.R. Tolkien

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.