Difference between Lengthen and Expand

LENGTHEN vs EXPAND: VERB

Grow vigorously
To feel generous or optimistic.
To (be) increase(d) in extent, number, volume or scope.
Extend in one or more directions
Become larger in size or volume or quantity
Make bigger or wider in size, volume, or quantity
Expand the influence of
Exaggerate or make bigger
Grow stronger
Add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
To (be) change(d) from a smaller form/size to a larger one.
(algebra) To rewrite (an expression) as a longer, yet equivalent sum of terms.
To express (something) at length and/or in detail.
To increase the extent, number, volume or scope of (something).
To change (something) from a smaller form and/or size to a larger one.

To lay open by extending; to open wide; to spread out; to diffuse.
To cause the particles or parts of to spread themselves or stand apart, thus increasing bulk without addition of substance; to make to occupy more space; to dilate; to distend; to extend every way; to enlarge; -- opposed to contract
To state in enlarged form; to develop. See Expansion, 5.

To grow long or longer; extend in length.
To make long or longer; extend or elongate in space or in duration; protract or prolong: as, to lengthen a line; to lengthen life; to lengthen a vowel or syllable in pronunciation.
(transitive; intransitive verb) To make or become longer.

To open out; become unfolded, spread out, or displayed.
To increase in extent, size, bulk, amount, etc.; become dilated, distended, or enlarged.
In zoology, to spread over a certain space: used in stating the distance from tip to tip of outspread wings—in the case of insects, of anterior wings.
Hence To make broader in scope or more comprehensive: as, to expand the heart or affections, or the sphere of benevolence.
To increase in extent, size, bulk, or amount; inflate; distend; extend: as, to expand the chest by inspiration; heat expands all bodies.
To spread or stretch out; unfold; display.
To swell, blow up, fill, fill out, increase.
Add details, as to an account or idea

Lessen, Shorten, Lie, Slow, Increase, Stretch, Renew, Protract, Enlarge, Broaden, Expand, Widen, Elongate, Extend, Prolong

Get ahead, Spread out, Flesh out, Elaborate, Boom, Expatiate, Expound, Dilate, Inflate, Flourish, Thrive, Amplify, Prosper, Extend, Enlarge

Lessen, Shorten, Lie, Slow, Increase, Stretch, Renew, Protract, Enlarge, Broaden, Expand, Widen, Elongate, Extend, Prolong

Diversify, Broaden, Blow up, Spread out, Flesh out, Elaborate, Boom, Expound, Dilate, Inflate, Flourish, Amplify, Prosper, Extend, Enlarge

NYU will look to expand options for students.
Expand enforcement and injunctive authority of state agencies.
Employee advocacy can help you expand your reach.
Allied World continues to expand its global footprint.
Milk Fund hopes to expand services By GLEN VIENHEAU Northern Light Stall The Bathurst Area School Milk Fund hopes to expand its services.
Europe has always desired to expand itself and has, from the beginning, experienced the wish to expand and the fear of external influences.
We need to expand Medicaid for all Texans by passing the Healthy Texas Act, which would expand coverage and programs available to all Texans.
As electronic communication continues to expand and fears of identity theft rise, intrusion claims will undoubtedly expand to cover these forms of communication.
The image below shows the wrong expand, expand the most recent version of the exam you are taking!
In IIS Manager, expand server name, expand Web sites, and then click the website that you want to modify.