Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
To commit to a course of action or make a final decision, especially after hesitation.
A broadly accurate guide or principle, based on experience rather than theory.
To disappear completely and suddenly without leaving any trace.
To check or compare information in one place with information in another.
The deteriorating quality of decisions made by an individual after a long session of decision making.
A security process where sensitive data, such as credit card numbers, is replaced by a unique surrogate value called a 'token'.
To formally challenge a transaction through a bank or payment processor, usually to get a refund for a fraudulent or unsatisfactory purchase.
The strategic advantage or power to influence a person or situation to achieve a desired outcome.
To delay or block a process by refusing to answer questions or cooperate with a request.