Definition of expand
1 : to open up : unfold
2 : to increase the extent, number, volume, or scope of : enlarge
3a : to express at length or in greater detailb : to write out in full expand all abbreviationsc : to subject to mathematical expansion expand a function in a power series
1 : to open out : spread
2 : to increase in extent, number, volume, or scope
3 : to speak or write fully or in detail expanded on the theme
4 : to feel generous or optimistic
expandabilityplay \ik-ˌspan-də-ˈbi-lə-tē\ noun
expandableplay \ik-ˈspan-də-bəl\ adjective
Examples of expand in a Sentence
The liquid expands and contracts with changes in temperature.
His business has expanded to serve the entire state.
The coffee shop may expand into a full restaurant.
He has expanded his business to serve the entire state.
There are plans to expand the airport.
The police have decided to expand their investigation.
She plans to expand the lecture series into a book.
Expand the abbreviation “deg.” to “degree.”
Recent Examples of expand from the Web
Sullivan said this idea would work with both Medicaid expansion states as well as states that did not expand Medicaid.
Ties between the Koreas have plunged over the North’s expanding missile and nuclear programs and the hard-line policies of Moon’s conservative predecessors.
When his company, located in Batavia, expanded to a new site in February 2016, the Rev. Coleman gave an invocation and prayed for blessings on all the Savor Seasonings staff, The Clermont Sun reported.
A growing number of employers are offering workers insurance that links to health savings accounts, and now congressional Republicans want to expand the contribution limits and uses for these tax-exempt funds.
Or dozens of similar cities around the globe, all expanding, as the world’s population shifts from rural to urban areas.
Meanwhile, Israeli settlers have been pushing to expand the settlements.
Moving forward, the research team plans to expand the map, shedding further light on a bloody chapter in Australian history.
These two courses expanded my overall awareness and sharpened my skill for writing.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expand.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Synonym Discussion of expand
EXPAND Defined for English Language Learners
Definition of expand for English Language Learners
: to increase in size, range, or amount : to become bigger
: to cause (something) to increase in size, range, or amount : to make (something) bigger
: to write (something) in full form
EXPAND Defined for Kids
Definition of expand for Students
1 : to grow or increase in size, number, or amount The airport is expanding.
2 : to open wide : unfold The eagle's wings expanded.
3 : to take up or cause to take up more space Metals expand under heat.
4 : to speak or write about in greater detail Would you expand on that idea?
Seen and Heard
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