bacterium

(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered plants ;

bacteroid

a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants) ;

bacteroidaceae

family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals; sometimes associated with acute infective processes ;

bacteroides

type genus of Bacteroidaceae; genus of Gram-negative rodlike anaerobic bacteria producing no endospores and no pigment and living in the gut of man and animals ;

bactrian camel

two-humped camel of the cold deserts of central Asia ;

bad

that which is below standard or expectations as of ethics or decency; "take the bad with the good" ;

bad block

(computer science) a block (usually one sector) that cannot reliably hold data ;

bad blood

a feeling of ill will arousing active hostility ;

bad check

a check that is dishonored on presentation because of insufficient funds; "issuing a bad check is a form of larceny" ;

bad cheque

a check that is dishonored on presentation because of insufficient funds; "issuing a bad check is a form of larceny" ;

bad condition

poor physical condition; being out of shape or out of condition (as from a life of ease and luxury) ;

bad debt

a debt that is unlikely to be repaid ;

bad egg

(old-fashioned slang) a bad person ;

bad fairy

a fairy that tends to cause harm ;

bad guy

any person who is not on your side ;

bad hat

someone who deliberately stirs up trouble ;

bad lands

an eroded and barren region in southwestern South Dakota and northwestern Nebraska ;

bad luck

unnecessary and unforeseen trouble resulting from an unfortunate event ; an unpredictable outcome that is unfortunate; "if I didn't have bad luck I wouldn't have any luck at all" ; an unfortunate state resulting from unfavorable outcomes ;

bad manners

impoliteness resulting from ignorance ;

bad person

a person who does harm to others ;

bad temper

a persisting angry mood ;

bad weather

weather unsuitable for outdoor activities ;

badaga

the dialect of Kannada that is spoken by the Badaga ; a member of an agricultural people of southern India ;

baddeleyite

a mineral consisting of zirconium oxide ;

baddie

the principle bad character in a film or work of fiction ;

bade

a Chadic language spoken in northern Nigeria ;

badge

any feature that is regarded as a sign of status (a particular power or quality or rank); "wearing a tie was regarded as a badge of respectability" ; an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.); "they checked everyone's badge before letting them in" ;

badger

sturdy carnivorous burrowing mammal with strong claws widely distributed in the northern hemisphere ; a native or resident of Wisconsin ;

badger dog

small long-bodied short-legged German breed of dog having a short sleek coat and long drooping ears; suited for following game into burrows ;

badger skunk

large naked-muzzled skunk with white back and tail; of southwestern North America and Mexico ;

badger state

a midwestern state in north central United States ;

badgerer

someone who tries to embarrass you with gibes and questions and objections ;

badgering

the act of harassing someone ;

badinage

frivolous banter ;

badlands

an eroded and barren region in southwestern South Dakota and northwestern Nebraska ; deeply eroded barren land ;

badlands national park

a national park in South Dakota having multicolored peaks and spires resulting from erosion; fossil sites ;

badminton

a game played on a court with light long-handled rackets used to volley a shuttlecock over a net ;

badminton court

the court on which badminton is played ;

badminton equipment

equipment for playing the game of badminton ;

badminton racket

a light long-handled racket used by badminton players ;