| 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. |
| DEFLORATIONS | • deflorations n. Plural of defloration. • DEFLORATION n. rupture of the hymen. |
| ELECTROFORMS | • electroforms v. Third-person singular simple present indicative form of electroform. • ELECTROFORM v. to form (shaped articles) by electrodeposition on a mold. |
| FLUOROMETERS | • fluorometers n. Plural of fluorometer. • FLUOROMETER n. an instrument for measuring fluorescence, also FLUORIMETER. |
| FOOLHARDIEST | • foolhardiest adj. Superlative form of foolhardy: most foolhardy. • FOOLHARDY adj. recklessly brave. |
| FOOTLAMBERTS | • footlamberts n. Plural of footlambert. • foot-lamberts n. Plural of foot-lambert. • FOOTLAMBERT n. a unit of luminance of a surface emitting one lumen per square foot. |
| FOOTSLOGGERS | • footsloggers n. Plural of footslogger. • FOOTSLOGGER n. a soldier serving on foot. |
| FUTUROLOGIES | • futurologies n. Plural of futurology. • FUTUROLOGY n. the study of the future. |
| LOOSESTRIFES | • loosestrifes n. Plural of loosestrife. • LOOSESTRIFE n. a wild flower of the primrose family. |
| MONTGOLFIERS | • Montgolfiers n. Plural of Montgolfier. • MONTGOLFIER n. (French) a balloon using fire for propulsion. |
| PROFITEROLES | • profiteroles n. Plural of profiterole. • PROFITEROLE n. (French) a small puff of choux pastry, usually filled with cream and covered with a chocolate sauce. |
| SUREFOOTEDLY | • surefootedly adv. In a surefooted manner. • SUREFOOTED adv. not given to stumbling. |
| TOMFOOLERIES | • tomfooleries n. Plural of tomfoolery. • TOMFOOLERY n. playful or foolish behavior. |