To foster (پرورش کرنا) means to 'raise' (پالنا) a child (not one's own) or to encourage the development of something.

A fossil (رکاز) is the 'prehistoric remnant of an animal or plant' (جانور یا پودے کی قدیم باقیات) embedded in rock and preserved.

Fortuitous (اتفاقی) means happening by 'accident' (حادثاتی) or chance rather than design. It is often confused with 'fortunate' or 'lucky' (خوش قسمت), but the core meaning is 'accidental'.

Fortitude (ہمت) is courage or 'braveness' (بہادری) shown in the face of pain or adversity. 'Cowardice' (بزدلی) is the antonym.

Formidable (خوفناک) means inspiring fear or respect through being impressively large, powerful, or intense. A formidable opponent is 'dangerous' (خطرناک).

To forfeit (ضائع کرنا) means to 'lose' (کھو دینا) or be deprived of property or a right as a penalty for wrongdoing.

A foretaste (پیشگی ذائقہ) is a small sample or experience of something in advance. It gives a feeling of 'anticipation' (پیشگی توقع) for what is to come.

Foolhardy (بے وقوف) means recklessly bold or rash. It is a form of 'unwise' (غیر دانشمندانہ) bravery, taking needless risks.

Folklore (لوک کہانیاں) consists of the 'traditional beliefs' (روایتی عقائد), customs, and stories of a community, passed down through generations by word of mouth.

A flurry (ہلچل) is a sudden spell of activity, excitement, or 'commotion' (افراتفری). It can also mean a light, swirling fall of snow.