Anagrams of: ABCEKLO

• being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light

• of or belonging to a racial group especially of sub-Saharan African origin

• the quality or state of the achromatic color of least lightness (bearing the least resemblance to white)

• British chemist who identified carbon dioxide and who formulated the concepts of specific heat and latent heat (1728-1799)

• popular child actress of the 1930's (born in 1928)

• total absence of light

• (board games) the darker pieces

• a person with African ancestry, "Negro" and "Negroid" are archaic and pejorative today

• black clothing (worn as a sign of mourning)

• marked by anger or resentment or hostility

• offering little or no hope

• stemming from evil characteristics or forces; wicked or dishonorable

• (of events) having extremely unfortunate or dire consequences; bringing ruin

• (of the face) made black especially as with suffused blood

• extremely dark

• harshly ironic or sinister

• (of intelligence operations) deliberately misleading

• distributed or sold illicitly

• (used of conduct or character) deserving or bringing disgrace or shame

• (of coffee) without cream or sugar

• soiled with dirt or soot

• make or become black

• a solid piece of something (usually having flat rectangular sides)

• a rectangular area in a city surrounded by streets and usually containing several buildings

• a three-dimensional shape with six square or rectangular sides

• a number or quantity of related things dealt with as a unit

• housing in a large building that is divided into separate units

• (computer science) a sector or group of sectors that function as the smallest data unit permitted

• an inability to remember or think of something you normally can do; often caused by emotional tension

• a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

• a metal casting containing the cylinders and cooling ducts of an engine

• an obstruction in a pipe or tube

• a platform from which an auctioneer sells

• the act of obstructing or deflecting someone's movements

• render unsuitable for passage

• hinder or prevent the progress or accomplishment of

• stop from happening or developing

• interfere with or prevent the reception of signals

• run on a block system

• interrupt the normal function of by means of anesthesia

• shut out from view or get in the way so as to hide from sight

• stamp or emboss a title or design on a book with a block

• obstruct

• block passage through

• support, secure, or raise with a block

• impede the movement of (an opponent or a ball)

• be unable to remember

• shape by using a block

• shape into a block or blocks

• prohibit the conversion or use of (assets)

• related to or located at the back

• the posterior part of a human (or animal) body from the neck to the end of the spine

• the side that goes last or is not normally seen

• the part of something that is furthest from the normal viewer

• (football) a person who plays in the backfield

• the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

• the protective covering on the front, back, and spine of a book

• the part of a garment that covers the back of your body

• a support that you can lean against while sitting

• (American football) the position of a player on a football team who is stationed behind the line of scrimmage

• in or to or toward a former location

• at or to or toward the back or rear

• in or to or toward an original condition

• in or to or toward a past time

• in reply

• in repayment or retaliation

• located at or near the back of an animal

• of an earlier date

• be behind; approve of

• travel backward

• give support or one's approval to

• cause to travel backward

• support financial backing for

• be in back of

• place a bet on

• shift to a counterclockwise direction

• establish as valid or genuine

• strengthen by providing with a back or backing

• a beckoning gesture

• a very strong lager traditionally brewed in the fall and aged through the winter for consumption in the spring

• a boy or man

• anything that covers or conceals

• a loose outer garment

• hide under a false appearance

• cover as if with clothing

• cover with or as if with a cloak

• offering little or no hope

• providing no shelter or sustenance

• unpleasantly cold and damp

• a fastener fitted to a door or drawer to keep it firmly closed

• a strand or cluster of hair

• a mechanism that detonates the charge of a gun

• enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it

• a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key

• any wrestling hold in which some part of the opponent's body is twisted or pressured

• fasten with a lock

• keep engaged

• become rigid or immoveable

• hold in a locking position

• become engaged or intermeshed with one another

• hold fast (in a certain state)

• place in a place where something cannot be removed or someone cannot escape

• pass by means through a lock in a waterway

• build locks in order to facilitate the navigation of vessels