Synonyms of capacious

capacious

adjective

kə-ˈpā-shəs 

as in spacious

more than adequate or average in capacity

that car has a capacious trunk that makes it a good choice for families

Synonyms & Similar Words

• spacious
• ample
• large
• wide
• commodious
• roomy
• huge
• generous
• oversize
• sizable
• big
• cavernous
• expansive
• handsome
• tidy
• voluminous
• enormous
• gigantic
• vast
• extensive
• broad
• massive
• considerable
• substantial
• bulky
• gargantuan
• immense
• tremendous
• colossal
• prodigious
• mammoth
• mountainous
• stupendous
• outsize
• humongous
• monolithic
• elephantine
• goodly
• hefty
• great
• super
• boundless
• monstrous
• staggering
• jumbo
• titanic
• herculean
• monumental
• limitless
• grand
• largish
• heroic
• extended
• biggish
• unbounded
• hulking
• pharaonic
• Himalayan
• king-size
• leviathan
• Brobdingnagian
• overscale
• Bunyanesque

Antonyms & Near Antonyms

• narrow
• confined
• limited
• restricted
• small
• cramped
• incommodious
• tiny
• tight
• snug

Synonym Chooser

How does the adjective capacious differ from other similar words?

Some common synonyms of capacious are ample, commodious, and spacious. While all these words mean "larger in extent or capacity than the average," capacious stresses the ability to hold, contain, or retain more than the average.

a capacious suitcase

When could ample be used to replace capacious?

In some situations, the words ample and capacious are roughly equivalent. However, ample implies having a greater size, expanse, or amount than that deemed adequate.

ample closet space

When is it sensible to use commodious instead of capacious?

The meanings of commodious and capacious largely overlap; however, commodious stresses roominess and comfortableness.

a commodious and airy penthouse apartment

When is spacious a more appropriate choice than capacious?

The synonyms spacious and capacious are sometimes interchangeable, but spacious implies great length and breadth.

a spacious front lawn

Example Sentences

Recent Examples of capacious

Maelstrom’s 40-liter backpack is plenty capacious for a full-day hike or even a multiday venture. — Olivia Young, Travel + Leisure, 18 June 2026

But the book’s gaze is capacious and at times wayward. — Rachel Vorona Cote, Vulture, 2 June 2026

Such was the intensity of course designer Uliano Vezzani’s course, which maximised the capacious grass arena’s subtle but hugely influential terrain to create challenges that would be invisible to the eye but readily apparent when ridden. — The Athletic Staff, New York Times, 31 May 2026

The massive delta is revered not only for its capacious water supply and agricultural support, but also its famed Delta breeze that often brings relief from stretches of hot weather. — Camila Pedrosa, Sacbee.com, 29 May 2026