| ANTIQUATEDNESS | • antiquatedness n. The state or quality of being antiquated. • ANTIQUATEDNESS n. the state of being antiquated. |
| CINQUECENTISTS | • cinquecentists n. Plural of cinquecentist. (Alternative letter-case form of Cinquecentists.) • Cinquecentists n. Plural of Cinquecentist. • CINQUECENTIST n. an Italian of the cinquecento. |
| FREQUENTNESSES | • FREQUENTNESS n. the state of being frequent. |
| INADEQUATENESS | • inadequateness n. Inadequacy. • INADEQUATE n. not adequate. |
| INIQUITOUSNESS | • iniquitousness n. Quality of being iniquitous. • INIQUITOUS n. characterized by gross wickedness. |
| INQUISITIONIST | • inquisitionist n. A member of an inquisition; an official questioner or interrogator. • INQUISITIONIST n. one who carries out an inquisition. |
| PLASTOQUINONES | • plastoquinones n. Plural of plastoquinone. • PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation. |
| QUATERNIONISTS | • quaternionists n. Plural of quaternionist. • QUATERNIONIST n. a person who studies quaternions. |
| QUESTIONNAIRES | • questionnaires n. Plural of questionnaire. • QUESTIONNAIRE n. a set of questions for obtaining statistically useful or personal information from individuals. |
| QUINTESSENTIAL | • quintessential adj. Of the nature of a quintessence (in all senses); being or relating to the ultimate essence of something. • quintessential n. The fundamental essence of something. • QUINTESSENTIAL n. something that is a typical part or pure example. |
| SUBSEQUENTNESS | • subsequentness n. Quality of being subsequent. • SUBSEQUENTNESS n. the state of being subsequent. |
| TRANQUILNESSES | • TRANQUILNESS n. the state of being tranquil. |