Fanatical (متعصب) describes someone filled with excessive, single-minded zeal. 'Obsessive' (جنونی) captures this extreme dedication. 'Moderate' (اعتدال پسند) is the antonym.

Falsification (جعل سازی) is the action of falsifying or altering something. 'Adulteration' (ملاوٹ) is a form of falsification, where something is made impure or poorer in quality.

Fallacious (غلط) means based on a mistaken belief; 'false' (جھوٹا) or misleading. 'Illogical' (غیر منطقی) is a related concept but 'false' is more direct.

Falderal (faldaral) (فضول بات) is a trivial or nonsensical fuss or ornament. It is synonymous with 'mere nonsense' (محض بکواس).

Faculty (صلاحیت) can mean a 'department' (شعبہ) in a university, but its primary meaning is an inherent mental or physical power or 'ability' (قابلیت).

Factitious (مصنوعی) means artificially created or developed; not natural or real. 'Fabricated' (من گھڑت) or man-made is a direct synonym. 'Genuine' (حقیقی) is the antonym.

A facsimile (نقل) is an exact copy or 'duplicate' (ہوبہو نقل) of a document, drawing, or other item.

Facetious (مذاقاً) means treating serious issues with 'inappropriately humorous' (غیر مناسب طور پر مزاحیہ) or flippant remarks.

To exult (خوشی منانا) means to show or feel elation or 'rejoice greatly' (بہت خوش ہونا), especially as the result of a success. 'Mourning' (ماتم) is the antonym.

To extrude (باہر نکالنا) means to thrust or 'force out' (باہر دھکیلنا) something, such as plastic through a die to create a shape.