verb
definition
To make weaker or less strong.
definition
To become weaker or less strong.
Examples of weaken in a Sentence
According to circumstances I shall weaken one wing to strengthen my reserve...."
Some medications also can weaken the LES.
Weaken the pokemon or make it go to sleep.
Protests urging the diet not to weaken came in from all sides.
Do not allow pots to dry out completely, this could weaken the stems and lead to split calyx.
However, adopting UK citizenship will certainly weaken your case for foreign domicile.
These attempts invariably weaken the Labor left and undermine efforts to unite the left around a common alternative economic and political strategy.
Pigs are now being genetically mutated using human genes in an attempt to try to weaken this reaction.
High blood pressure can weaken the blood vessels as well, although most people with high blood pressure never have a nosebleed.
Now this ' privilege ' has been withdrawn as a measure to weaken the none too pliant membership.
Glimepiride may either potentiate or weaken the effects of coumarin derivatives.
With congressional elections seven months away, Democrats said the ANWR vote showed they would not allow republicans to weaken environmental protections.
Take away or weaken the union role and our system begins to look unbalanced.
And if they are divided when that moment comes it will gravely weaken their bargaining power vis-a-vis Iraq and the rest of the world.
When a current comes in from line it passes through the electromagnet in such a direction as to weaken the effect of the permanent magnet; hence the springs are able to release the armature, which rises smartly and in its turn releases the printing mechanism.
In order that the vibration may be maintained, a periodic force must be applied either to aid the internal restoring force on the return journey, or weaken it on the outgoing journey, or both.
At other points of the coast the British navy was employed in punitive expeditions against the coast towns - as for example the burning of Falmouth (now Portland, Maine) in October 1775 - which served to exasperate, rather than to weaken the enemy, or the unsuccessful attack on Charleston, S.C., in June 1776.
In the middle section, as already stated, the Great Valley is somewhat open on the east, by reason of the small height and broad interruptions of the narrow crystalline belt; on the west it is limited by the complex series of Alleghany ridges and valleys; in the north-east section the valley is strongly enclosed on the east by the New England uplands, and on the west by the Adirondacks and Catskills (see below); in the south-west section the valley broadens from the North Carolina highlands on the south-east almost to the Cumberland plateau on the north-west, for here also the ridge-making formations weaken, although they do not entirely disappear.
The prevailing winds respond to the stronger poleward temperature gradients of winter by rising to a higher velocity and a more frequent and severer cyclonic storminess; and to the weaker gradients of summer by relaxing to a lower velocity with fewer and weaker cyclonic storms; but furthermore the northern zone occupied by the prevailing westerlies expands as the winds strengthen in winter, and shrinks as they weaken in summer; thus the stormy westerlies, which impinge upon the north-western coast and give it plentiful rainfall all through the year, in winter reach southern California and sweep across part of the Gulf of Mexico and Florida; it is for this reason that southern California has a rainy winter season, and that the states bordering on the Gulf of Mexico are visited in winter by occasional intensified cold winds, inappropriate to their latitude.
With congressional elections seven months away, Democrats said the ANWR vote showed they would not allow Republicans to weaken environmental protections.
Division and schism within the church bring no honor to anyone, and they greatly weaken our Christian witness to the world.
France was still trying to weaken the language of the unequivocal undertaking to relate to the ultimate goal of nuclear disarmament.
Certain injuries may also weaken a muscle or joint, leaving it vulnerable.
However, epoxy bonding is less reliable, and temperature cycling over wide temperature extremes can weaken the bond.
The issue of bias and self-interest does not weaken the credibility of these witnesses ' testimony, it strengthens it.
On the other hand, new small scale supermarkets placed elsewhere could draw trade and weaken existing local centers.
Seeing a litter of cute kittens may weaken your resolve to ask all the right questions of the breeder.
Feline Leukemia Virus (FeLV) is another highly mutagenic retrovirus that can weaken a cat's immunity, much like FIV.
Your pets eyesight, teeth, joints and bones will weaken.
Clear bottles allow ultraviolet rays to interact with the oils and often change or weaken them.
A constant elevated blood pressure can weaken the arterial walls and cause organ damage due to the heart being overworked.
This infection alone is neither particularly painful nor serious, but it does weaken the animal's immune system and leaves the dog more vulnerable to serious and potentially fatal secondary infections such as pneumonia or bronchitis.
Heartworms can infest and weaken the heart muscle.
You may weaken the vinegar through dilution with water and there are a variety of different formulas or recipes available, a few of which are outlined below.
Over time, this will weaken the sub flooring and floor joists beneath the tub.
This process is conducted to achieve darker colors but it causes the fibers to weaken.
Over time, fabric awnings weaken as their fibers are gradually worn out by exposure to the changing seasons.
Be aware that while direct sunlight can fade stains and kill bacteria, it can also weaken fibers and cause fading.
Long periods of direct sunlight and perspiration will weaken the fabric.
Not only can scratches on the safety goggles interfere with the wearer's vision, but they can weaken the lenses.
A well-rounded and healthy diet is sometimes difficult to stick to because, with age, the senses of taste and smell can weaken.
Chronic insomnia can weaken the immune system, leading to other health complications.
Too much air leaving through the exhaust hole or through a leak in the mask's seal can weaken the air pressure, which can make the system less effective.
While your summoned creatures weaken your enemies, you can pick them off easily and take less damage.
These items will all help weaken demons in different ways, making it easier to defeat them.
You must weaken him and then throw him off the station into the oncoming train.
Sitting too close to your television while playing video games stresses the eyes and, over time, can weaken the muscles that allow you to focus.
Radiation therapy-A cancer treatment that uses high-energy rays or particles to kill or weaken cancer cells.
As a result, the muscles connected to these nerves eventually weaken.
Ocular herpes can weaken vision and even cause blindness.