| BEFUDDLES | • befuddles v. Third-person singular simple present indicative form of befuddle. • BEFUDDLE v. to confuse. |
| BIFIDUSES | • BIFIDUS n. a bacterium present in the human digestive system, often added to yogurt, also BIFIDUM. |
| BISULFIDE | • bisulfide n. (Chemistry) The anion HS–. • bisulfide n. (Chemistry, dated) Disulfide, the anion −S–S−. • BISULFIDE n. a sulphide having two atoms of sulphur in the molecule, also BISULPHIDE. |
| BODYSURFS | • bodysurfs v. Third-person singular simple present indicative form of bodysurf. • body-surfs v. Third-person singular simple present indicative form of body-surf. • body␣surfs v. Third-person singular simple present indicative form of body surf. |
| DOUBTFULS | • doubtfuls n. Plural of doubtful. • DOUBTFUL n. something doubtful e.g. a starter in a race. |
| FABULISED | • fabulised v. Simple past tense and past participle of fabulise. • FABULISE v. to write fables, also FABULIZE. |
| FABURDENS | • faburdens n. Plural of faburden. • FABURDEN n. (obsolete) a type of improvised polyphony, popular in England from the 15th century to the Reformation, also FAUXBOURDON. |
| FIDIBUSES | • fidibuses n. Plural of fidibus. • FIDIBUS n. a paper spill for lighting a pipe. |
| FUNBOARDS | • funboards n. Plural of funboard. • FUNBOARD n. a special fast windsurfing board. |
| FURBISHED | • furbished v. Simple past tense and past participle of furbish. • furbished adj. Polished, burnished. • furbished adj. Reconditioned. |
| PUFFBIRDS | • puffbirds n. Plural of puffbird. • PUFFBIRD n. any bird of a Central American family relating to the barbets. |
| SOFTBOUND | • softbound adj. (Of a book) With a cover of flexible paper rather than a rigid cardboard cover. • SOFTBOUND adj. bound in soft covers. • SOFTBOUND n. a book bound in soft covers. |
| SUBDWARFS | • subdwarfs n. Plural of subdwarf. • SUBDWARF n. a small star of relatively low luminosity. |
| SUBFIELDS | • subfields n. Plural of subfield. • SUBFIELD n. a subset of a mathematical field. |
| SUBFOLDER | • subfolder n. (Computing) A folder within another folder. • SUBFOLDER n. a subdivision of a folder. |
| SUBINFEUD | • SUBINFEUD v. to grant by feudal tenant to a further tenant, also SUBFEU, SUBINFEUDATE. |
| SURFBIRDS | • surfbirds n. Plural of surfbird. • SURFBIRD n. an American Pacific shorebird. |
| SURFBOARD | • surfboard n. A shaped waterproof plank, usually made of wood or foam and reinforced plastic, used to surf on waves. • surfboard v. To use a surfboard; to surf. • SURFBOARD n. a long narrow board used in surfing. |