Difference between Lengthen and Slow

LENGTHEN vs SLOW: NOUN

A Middle English spelling of slough.
In zoöl, a sluggish or slow-paced skink, as the slow-worm or blindworm, Anguis fragilis; also, a newt or eft of like character.
A moth.
A sluggard.
A Middle English preterit of slay.

Marked by a retarded tempo.
Taking or requiring a long time.
Taking more time than is usual.
Allowing movement or action only at a low speed.
Registering a time or rate behind or below the correct one.
Lacking in promptness or willingness; not precipitate.
Characterized by a low volume of sales or transactions.
Not moving or able to move quickly; proceeding at a low speed.
Lacking liveliness or interest; boring.
Not having or exhibiting intellectual or mental quickness.
(of business) not active or brisk
Slow to learn or understand; lacking intellectual acuity
Only moderately warm; low.
So lacking in interest as to cause mental weariness
(used of timepieces) indicating a time earlier than the correct time
At a slow tempo
A slow person. See def.7, above.
Heavy in wit; not alert, prompt, or spirited; wearisome; dull.
Not advancing or improving rapidly.
Not ready; not prompt or quick; dilatory; sluggish.
Not happening in a short time; gradual; late.
Moving a short space in a relatively long time; not swift; not quick in motion; not rapid; moderate; deliberate.
Not moving quickly; taking a comparatively long time

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.

Heavy, inert, lumpish.
3 and
Synonyms Delaying, lingering, deliberate.
Dull; lacking spirit; deficient in liveliness or briskness: used of persons or things: as, the entertainment was very slow.
Behind in time; indicating a time earlier than the true time: as, the clock or watch is slow.
Not hasty; not precipitate; acting with deliberation.
Tardy; dilatory; sluggish; slothful.
1–4. Slow, Tardy, Dilatory. Slow and tardy represent either a fact in external events or an element of character; dilatory only the latter. Dilatory expresses that disposition or habit by which one is once or generally slow to go about what ought to be done. See idle.
Not happening in a short time; spread over a comparatively long time; gradual: as, a slow change; the slow growth of arts.
Taking a long time to move or go a short distance; not quick in motion; not rapid: as, a slow train; a slow messenger.
To slacken in speed: as, to slow a locomotive or a steamer: usually with up or down.
To make slow; delay; retard.
To become slow; slacken in speed.
Slowly.
Not ready; not prompt or quick; used absolutely, not quick to comprehend; dull-witted.
Taking a comparatively long time
Not moving quickly
Move more slowly
Lose velocity
Showing a time that is earlier than the actual time
Slow to learn or understand
Lacking intellectual acuity
(imperative) Slew.

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

Dim, Easy, Dragging, Dull, Lazy, Dilatory, Slack, Tedious, Poky, Retard, Dawdling, Slacken, Decelerate, Slowly, Sluggish

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

Boring, Dim, Easy, Dragging, Dull, Lazy, Dilatory, Slack, Tedious, Poky, Retard, Slacken, Decelerate, Slowly, Sluggish

This may indicate that the server is slow to respond, the network is slow, or that there is some other network problem.
Experiencing a SLOW network connection: Are other office members are experiencing slow network access.
This is very helpful on systems with slow closing valves or on pump systems that are operating near maximum flow or have slow wellrecovery.
The slow cooker setting is great for meals that have a cook time already set for a slow cooking meal.
Really slow to respond after handing in draft, very slow edits, and final version looked nothing like the edited version we worked on together.
Lid on the slow cooker tin of chickpeas to make it chunkier this website you will lentil and potato curry slow cooker for.
Every man must be swift about hearing, slow about speaking, slow about wrath.
Expect slow transfer rates, primarily by reason of the slow network cards, the computer itself, and the storage.
Slow drivers slow everyone down and asshole drivers increase the slowdown by cutting people off.
In testing web applications, test with slow machines and slow networks that more closely mimic those of real users.