Synonyms of expansion

expansion

noun

ik-ˈspan(t)-shən 

1

as in increase

something added (as by growth)

the museum's new wing is only the first in a series of expansions planned for the next decade

Synonyms & Similar Words

• increase
• boost
• addition
• gain
• rise
• augmentation
• raise
• increment
• proliferation
• accrual
• accretion
• accumulation
• supplement
• continuation
• plus
• uptick
• step-up
• addendum
• extension
• more
• collection
• complement
• gathering
• upturn
• spike
• jump
• appendix
• accession
• assemblage
• uptrend
• run-up

Antonyms & Near Antonyms

• reduction
• decrease
• loss
• shrinkage
• depletion
• decline
• diminution
• lowering
• fall
• abatement
• lessening
• decrement
• diminishment
• deduction
• falloff
• drop-off
• subtraction
• step-down

2

as in evolution

the act or process of going from the simple or basic to the complex or advanced

the expansion of remedial reading classes into a district-wide program using school volunteers for a variety of needs

Synonyms & Similar Words

• evolution
• development
• progress
• progression
• growth
• advancement
• improvement
• emergence
• elaboration
• enhancement
• maturation
• flowering
• refinement
• incubation
• betterment
• maturing
• augmentation
• ripening
• metamorphosis
• addition
• flourishing
• supplementation
• blossoming
• evolvement
• perfection

Antonyms & Near Antonyms

• regression
• reversion
• retrogression
• regress
• lapse
• decline
• relapse
• degradation
• deterioration
• decay
• falling
• weakening
• degeneration
• devaluation
• downfall
• degeneracy
• declination
• descent
• downgrade
• decadence
• declension
• backslide
• decaying
• ebbing

3

as in expanse

a wide space or area

we gazed in awe at the star-strewn expansion of nighttime sky above us

Synonyms & Similar Words

• expanse
• stretch
• length
• extent
• sheet
• distance
• reach
• breadth
• plain
• field
• spread
• scope
• territory
• waste
• depth
• extension
• domain
• spectrum
• scale
• sphere
• sweep
• range
• amplitude
• void
• span
• compass
• magnitude
• gamut
• latitude
• emptiness
• immensity

Example Sentences

Recent Examples of expansion

The expansion of nursing and health programs would come in about three years as the school phases out the four closed degrees, Plinske said. — Steven Walker, The Orlando Sentinel, 25 Sep. 2026

When customers renew, increase spending, deploy the product into additional workflows and can tie that expansion to measurable business outcomes, AI has moved from experimentation to a durable revenue engine. — Expert Panel®, Forbes.com, 25 Sep. 2026

That means network expansions or grid updates will remain as hurdles for large-scale adoption. — ABC News, 24 Sep. 2026

The full expansion is expected to be completed by February 2027. — Harllie Stevenson, Idaho Statesman, 24 Sep. 2026