| blight | quemadura |
| Blikanasaurus | Blikanasaurus |
| blimey | caramba |
| blimp | globo |
| blind | deslumbrar |
| blind alley | callejón sin salida |
| Blind belief | Mystique |
| blind date | cita a ciegas |
| Blind experiment | Doble ciego |
| blind faith | credulidad |
| Blind Guardian | Blind Guardian |
| blind gut | ciego |
| Blind Justice | Justicia ciega |
| Blind Lemon Jefferson | Blind Lemon Jefferson |
| blind man | ciego |
| blind nettle | ortiga muerta |
| Blind signature | Firma digital ciega |
| blind spot | punto ciego |
| Blind Willie Johnson | Blind Willie Johnson |
| blind woman | ciega |
| Blind-worm | Anguis fragilis |
| blinded | encandilado |
| blinder | más ciego |
| blinders | anteojeras |
| blindfold | venda |
| blinding | resplandeciente |
| blindly | a ciegas |
| blindness | ceguera |
| blinds | celosia |
| blindworm | lución |
| Bling-bling | Bling bling |
| blink | guiñar el ojo |
| blink a tear out of one's eye | secar una lágrima |
| blink away a tear | secar una lágrima |
| blink one's lights | vacilar las luces |
| blinker | luz intermitente |
| blinkers | anteojeras |
| blinking | intermitente |
| blip | cresta de eco |
| bliss | éxtasis |
| blissful | alborozado |
| blissfully | felizmente |
| blissfulness | deleite |
| blister | ampolla |
| Blister agent | Sustancia vesicante |
| blister pack | blíster |
| blistering | abrasador |
| blithe | animado |
| blithering | charlatán |
| blitz | relámpago |
| Blitzball | Blitzball |
| Blitzingen | Blitzingen |
| blitzkrieg | guerra relámpago |
| Blixa Bargeld | Blixa Bargeld |
| blizzard | tormenta de nieve |
| bloat | hinchar |
| Bloat colic | Intemperismo |
| bloated | hinchado |
| bloater | arenque ahumado |
| blob | mancha |
| Blobitecture | BLOB |
| bloc | bloque |
| Bloc Party | Bloc Party |
| Bloc Québécois | Bloc Québécois |
| Bloch wall | Paredes de Bloch |
| Bloch wave | Ecuaciones de Bloch |
| block | obstruir |
| Block cipher | Cifrado por bloques |
| block letters | letra de imprenta |
| Block printing | Impresión por medio de sellos de madera |
| block up | obstruir |
| blockade | bloquear |
| blockage | obstáculo |
| blockbuster | suceso taquillero |
| blocked | tapado |
| blockhead | estúpido |
| blockheaded | tonto |
| blockhouse | cabaña |
| Blocking of Wikipedia in mainland China | Bloqueo de Wikipedia en la República Popular China |
| Bloemfontein | Bloemfontein |
| blog | bitácora |
