formless, a. [shapeless], amorphous, chaotic.
formula, n. [ritual], [ceremony], ceremonial; [rule], principle; [recipe].
formulary, n. [ritual], ceremonial, [rule], [formula].
forsake, v. [quit], [abandon], [leave]; [renounce], [reject], [relinquish], [forswear].
forsaken, a. [abandoned], [deserted], [derelict], [lorn].
forsaking, n. [desertion], [abandonment].
forswear, v. [renounce], abjure, disavow.
fort, n. [fortress], [fortification], citadel, [fastness], [stronghold], [bulwark], redoubt.
forthwith, adv. [immediately], [directly], [instantly].
fortification, n. See fort.