To reassess (دوبارہ جائزہ لینا) means to 'evaluate anew' (نئے سرے سے اندازہ لگانا) or consider something again, especially if circumstances have changed.

Ravening (لالچی) means extremely hungry and 'greedy' (حریص) for prey or food. 'Delirious' (بے ہوش) means in a disturbed state of mind.

A rationale (دلیل) is a set of reasons or a logical basis for a course of action. 'Justification' (جواز) is a direct synonym.

Rational (عقلی) means based on or 'guided by reason' (عقل کی بنیاد پر) or logic. 'Logical' (منطقی) is also a synonym, but 'guided by reason' is the definition. 'Emotional' (جذباتی) is the antonym.

To ratify (توثیق کرنا) means to sign or give formal consent to a treaty or agreement, making it officially valid. 'Approve' (منظور کرنا) is the best synonym. 'Denounce' (مذمت کرنا) is an antonym.

Rarefied (ہلکا) (of air) means 'less dense' (کم کثیف) than usual. It can also mean distant from ordinary people. 'Highly dense' (بہت گھنا) is the antonym.

Random (بے ترتیب) means 'done without method' (بغیر کسی ترتیب کے) or conscious decision. 'Done in a systematic way' (منظم طریقے سے) is the antonym.

Rambunctious (پرشور) means uncontrollably exuberant, noisy, and energetic. 'Boisterous' (ہنگامہ خیز) is a direct synonym.

Raillery (ہنسی مذاق) is good-humored, light-hearted teasing. 'Banter' (دل لگی) is a direct synonym.

A raft (بیڑا) is a flat boat, but 'a raft of' something is an informal term for a 'large amount' (بڑی مقدار) of it.