| BUTTERBURS | • butterburs n. Plural of butterbur. • BUTTERBUR n. a plant of damp places with very broad leaves. |
| BUTTERCUPS | • buttercups n. Plural of buttercup. • BUTTERCUP n. a crowfoot (genus Ranunculus), esp. of one of those species that have golden-yellow cup-shaped flowers. |
| BUTTERNUTS | • butternuts n. Plural of butternut. • Butternuts n. Plural of Butternut. • BUTTERNUT n. the oily nut of the North American white walnut; the tree itself. |
| GUTBUCKETS | • gutbuckets n. Plural of gutbucket. • GUTBUCKET n. a homemade bass fiddle with a single string. |
| NUTBUTTERS | • nut␣butters n. Plural of nut butter. • NUTBUTTER n. a butter substitute or spread made from nuts. |
| OUTBLUSTER | • outbluster v. (Transitive) To surpass in blustering. • OUTBLUSTER v. to surpass in bluster. |
| RUSTBUCKET | • rustbucket n. (Slang) An old, neglected vehicle, usually a car, a freighter, or a truck. • rust-bucket n. Alternative form of rustbucket. • rust␣bucket n. Alternative form of rustbucket. |
| SHUTTERBUG | • shutterbug n. (Informal) A person who makes a hobby of photography. • SHUTTERBUG n. (colloquial) a photography enthusiast. |
| SUBSTITUTE | • substitute v. (Transitive) To use in place of something else, with the same function. • substitute v. (Transitive, in the phrase "substitute X for Y") To use X in place of Y. • substitute v. (Transitive, formerly proscribed, in the phrase "substitute X with/by Y") To use Y in place of X; to replace X with Y. |
| SUBTEXTUAL | • subtextual adj. Pertaining to subtext. • SUBTEXTUAL adj. relating to a subtext, an underlying theme in a literary work. |
| TUBULATURE | • tubulature n. (Chemistry) A tubulure. • TUBULATURE n. tubes collectively. |
| UNBUTTERED | • unbuttered adj. Not buttered. • UNBUTTERED adj. not buttered. |
| UNBUTTONED | • unbuttoned v. Simple past tense and past participle of unbutton. • unbuttoned adj. Having the buttons undone. • unbuttoned adj. In disarray. (Can we add an example for this sense?) |
| UNSUBTLEST | • unsubtlest adj. Superlative form of unsubtle: most unsubtle. • UNSUBTLE adj. not subtle. |