Commodious means "roomy." Earlier meanings are "beneficial" or "useful" as well as "serviceable." The adjective comes from Latin commodum, meaning "convenience." A commodious space, unarguably, has its benefits and conveniences.
commodious stresses roominess and comfortableness.
a commodious and airy penthouse apartment
capacious stresses the ability to hold, contain, or retain more than the average.
a capacious suitcase
ample implies having a greater size, expanse, or amount than that deemed adequate.
ample closet space
Examples of commodious in a Sentence
a house with exceptionally commodious closets
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That ramshackle but commodious 17th-century attic refuge became a significant node of cultural resistance in Vichy France — pretty much everybody who was anybody was dropping by for the anti-Nazi salon, and not least, the drinks.—
Guy Martin,
Forbes.com,
14 Apr. 2026 The larger of the two units measures a whopping 12,200 square feet with five bedrooms, six bathrooms, and more than 5,200 square feet of outdoor space; the smaller clocks in at a still-commodious 10,700 square feet with four bedrooms and five bathrooms.—
Abby Montanez,
Robb Report,
15 Nov. 2025 See All Example Sentences for commodious
Word History
Etymology
Middle English, fertile, useful, modification of Medieval Latin commodosus, from Latin commodum convenience, from neuter of commodus