force de frappe /fors də frap/ noun (French)

A strike force, esp a nuclear one

forced labour noun

Compulsory hard labour, as a punishment for a crime

forced landing noun (aeronautics)

A landing at a place where no landing was originally planned, necessary because of some mishap or emergency

forceˈ-feed transitive verb (pap and pat forceˈ-fed)

1. To feed (a person or animal) forcibly, usu by the mouth
2. To impose (an opinion or belief) on (a person) (figurative)

forceˈ-feeding noun

force field noun

1. That part of any space where a measurable force can exert an effect (physics)
2. An imaginary invisible protective barrier of energy

forceˈ-land intransitive verb

To make a forced landing

force majeure /fors mä-zhœr/ noun (French)

1. Superior power
2. An uncontrollable course of events, excusing one from fulfilling a contract (law)

force pump or forcˈing-pump noun

1. A pump that delivers liquid under pressure greater than its suction pressure
2. A pump for cleaning out pipes by blowing air through

forcible detainer or forcible entry noun

Taking property into custody or forcing an entry into it by violence or intimidation

forcible feeble noun (Shakespeare)

A weak man with a pretence of valour

forcˈing-house noun

A hothouse for forcing plants, or a place for hastening the growth of animals

forcˈing-pit noun

A frame sunk in the ground over a hotbed for forcing plants

force and fear (Scot)

That amount of constraint or compulsion that is enough to annul an engagement or obligation entered into under its influence

force the pace

To bring and keep the speed up to a high pitch by competition

in force

1. Operative or legally binding
2. In great numbers