American English

Definition of decision noun from the Oxford Advanced American Dictionary



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  1. 1[countable] decision (on/about something) decision (to do something) a choice or judgment that you make after thinking and talking about what is the best thing to do to make a decision (= to decide) We need a decision on this by next week. Who made the decision to go ahead with the project? He is really bad at making decisions. We finally reached a decision (= decided after some difficulty). We must come to a decision about what to do next by tomorrow. a big (= an important) decision The final decision is yours. It's a difficult decision for any doctor. The editor's decision is final. Mary is the decision-maker in the house. The decisions by the management committee will affect everyone in the company.
  2. 2(also decisiveness) [uncountable] the ability to decide something clearly and quickly This is not a job for someone who lacks decision. opposite indecision
  3. 3[uncountable] the process of deciding something The moment of decision had arrived. The power of decision remained with the directors.
  4. Word Familydecide verbdecision noun (indecision)decisive adjective (indecisive)undecided adjective
See the Oxford Advanced Learner's Dictionary entry: decision