| BULLETPROOFS | • bulletproofs v. Third-person singular simple present indicative form of bulletproof. • BULLETPROOF v. to make impenetrable to bullets. |
| COUNTERFLOWS | • counterflows n. Plural of counterflow. • COUNTERFLOW n. the flow of a fluid in opposite directions, as in an apparatus. |
| COUNTERFOILS | • counterfoils n. Plural of counterfoil. • COUNTERFOIL n. part of ticket or cheque retained by giver. |
| COUNTERFORTS | • counterforts n. Plural of counterfort. • COUNTERFORT n. a buttress or arch supporting a retaining wall. |
| FLOCCULATORS | • flocculators n. Plural of flocculator. • FLOCCULATOR n. one who flocculates. |
| FLUOROMETERS | • fluorometers n. Plural of fluorometer. • FLUOROMETER n. an instrument for measuring fluorescence, also FLUORIMETER. |
| FORETHOUGHTS | • forethoughts n. Plural of forethought. • FORETHOUGHT n. a thinking or planning out in advance. |
| FORMULATIONS | • formulations n. Plural of formulation. • FORMULATION n. an act or the product of formulating. |
| FORTUITOUSLY | • fortuitously adv. In a fortuitous manner; in a manner of happening by chance; coincidentally; accidentally. • fortuitously adv. (Sometimes proscribed) In a fortuitous manner; in a manner of happening by a lucky chance; luckily; fortunately. • FORTUITOUS adv. occurring by chance. |
| FRUCTIVOROUS | • fructivorous adj. Fruit-eating. • FRUCTIVOROUS adj. feeding on fruit. |
| FUTUROLOGIES | • futurologies n. Plural of futurology. • FUTUROLOGY n. the study of the future. |
| FUTUROLOGIST | • futurologist n. A person who practices futurology. • FUTUROLOGIST n. a student of futurology. |
| MULTIFLOROUS | • multiflorous adj. (Botany) Having many flowers. • MULTIFLOROUS adj. many-flowered. |
| PUSSYFOOTERS | • pussyfooters n. Plural of pussyfooter. • PUSSYFOOTER n. one who pussyfoots. |
| RUSTPROOFING | • rustproofing v. Present participle of rustproof. • RUSTPROOFING n. the act of making resistant to rust, such as by applying a coating. |
| SUREFOOTEDLY | • surefootedly adv. In a surefooted manner. • SUREFOOTED adv. not given to stumbling. |