| AIRTIGHTNESS | • airtightness n. The quality of being airtight. • AIRTIGHTNESS n. the quality of being airtight. |
| ETHNOGENISTS | • ETHNOGENIST n. a student of ethnogeny. |
| ETHNOLOGISTS | • ethnologists n. Plural of ethnologist. • ETHNOLOGIST n. a student of ethnology. |
| GASTIGHTNESS | • gastightness n. The quality of being gastight. • GASTIGHTNESS n. the state of being gastight. |
| GNATHOSTOMES | • gnathostomes n. Plural of gnathostome. • GNATHOSTOME n. any vertebrate of the superclass Gnathostomata, having a mouth with jaws, including all vertebrates except the agnathans. |
| HEARTSTRINGS | • heartstrings n. (Obsolete, anatomy) The tendons once thought to brace the heart. • heartstrings n. (Figurative) One’s deepest emotions or inner feelings. • heartstrings n. (Anatomy) The cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral… |
| HOUSESITTING | • housesitting v. Present participle of housesit. • house-sitting v. Present participle of house-sit. • house␣sitting v. Present participle of house sit. |
| SKINTIGHTEST | • SKINTIGHT adj. fitting the body closely like a skin. |
| SPAGHETTINIS | • spaghettinis n. Plural of spaghettini. • SPAGHETTINI n. (Italian) pasta in the form of strings of thin spaghetti. |
| STRAIGHTNESS | • straightness n. (Uncountable) The state or quality of being straight (especially in the sense of "heterosexual"). • straightness n. (Countable) The result or product of being straight. • STRAIGHTNESS n. the state of being straight. |
| STRENGTHLESS | • strengthless adj. Being weak or powerless, lacking strength. • strengthless adj. Having no special abilities or talents, lacking strengths. • STRENGTHLESS adj. without strength. |
| SYNTHETISING | • synthetising v. Present participle of synthetise. • SYNTHETISE v. to put together in a synthesis, also SYNTHETIZE. |
| TOGETHERNESS | • togetherness n. (Uncountable) The state or quality of being together. • togetherness n. (Countable) The result or product of being together. • TOGETHERNESS n. the state of being together. |
| UNGHOSTLIEST | • UNGHOSTLY adj. not ghostly. |
| UNSIGHTLIEST | • unsightliest adj. (Dated, 19th century) superlative form of unsightly: most unsightly. • UNSIGHTLY adj. unpleasant to look at. |
| YESTERNIGHTS | • yesternights n. Plural of yesternight. • YESTERNIGHT n. (dialect) last night. |