| ANTEPENULTIMAS | • antepenultimas n. Plural of antepenultima. • ANTEPENULTIMA n. the last syllable but one. | 
| EUPHAUSIACEANS | • euphausiaceans n. Plural of euphausiacean. • EUPHAUSIACEAN n. a member of the Euphausiidae or the Euphausiacea, shrimplike creatures. | 
| PALAEOCURRENTS | • palaeocurrents n. Plural of palaeocurrent. • PALAEOCURRENT n. a current that existed at a particular stage in the geological development of the earth, as evinced by sedimentary rock formations. | 
| PANLEUCOPENIAS | • PANLEUCOPENIA n. a viral disease of cats marked by a deficiency of white blood cells, also PANLEUKOPENIA. | 
| PANLEUKOPENIAS | • panleukopenias n. Plural of panleukopenia. • PANLEUKOPENIA n. a viral disease of cats marked by a deficiency of white blood cells, also PANLEUCOPENIA. | 
| PANSEXUALITIES | • pansexualities n. Plural of pansexuality. • PANSEXUALITY n. the state of being pansexual. | 
| PENNATULACEOUS | • pennatulaceous adj. (Zoology) Belonging to the Pennatulacea. • PENNATULACEOUS adj. of or like a pennatula, a sea-pen. | 
| PERIMENOPAUSAL | • perimenopausal adj. Of, pertaining to, or experiencing perimenopause. • PERIMENOPAUSAL adj. relating to the perimenopause. | 
| RAMPAGEOUSNESS | • rampageousness n. The quality of being rampageous. • RAMPAGEOUSNESS n. the state of being rampageous. | 
| SEPTUAGENARIAN | • septuagenarian n. Synonym of seventysomething: a person between 70 and 79 years old. • septuagenarian adj. Of or related to seventysomethings. • SEPTUAGENARIAN n. a person whose age is in the seventies. | 
| SEPTUAGENARIES | • septuagenaries n. Plural of septuagenary. • SEPTUAGENARY n. a septuagenarian. | 
| SESQUIPEDALIAN | • sesquipedalian n. A long word. • sesquipedalian n. A person who uses long words. • sesquipedalian adj. (Of a word or words) Long; polysyllabic. | 
| SUBAPPEARANCES | • SUBAPPEARANCE n. a subsidiary or supporting appearance. | 
| SUPERABUNDANCE | • superabundance n. An extreme abundance; abundance to a vast degree that seems almost excessive. • SUPERABUNDANCE n. extreme abundance. | 
| SUPERTERRANEAN | • superterranean adj. Synonym of aboveground. • SUPERTERRANEAN adj. above or on surface of earth. | 
| SUPRASEGMENTAL | • suprasegmental n. (Phonetics) An effect on speech, such as length, stress, tone, and phonation type, that extends over… • suprasegmental adj. Of or relating to a suprasegmental. • suprasegmental adj. More than a segment. | 
| UNPASSABLENESS | • unpassableness n. The quality of being unpassable. • UNPASSABLENESS n. the state of being unpassable. | 
| UNPLEASANTNESS | • unpleasantness n. (Uncountable) The property of being unpleasant or disagreeable. • unpleasantness n. (Countable) An unpleasant behaviour, occurrence, etc. • UNPLEASANTNESS n. the state of being unpleasant. | 
| UNPLEASANTRIES | • unpleasantries n. Plural of unpleasantry. • UNPLEASANTRY n. not a pleasantry. | 
| UNPURCHASEABLE | • unpurchaseable adj. Not capable of being purchased. • UNPURCHASEABLE adj. that cannot be purchased, also UNPURCHASABLE. |