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noun log·ic \ˈlä-jik\

Simple Definition of logic

  • : a proper or reasonable way of thinking about or understanding something

  • : a particular way of thinking about something

  • : the science that studies the formal processes used in thinking and reasoning

Source: Merriam-Webster's Learner's Dictionary

Full Definition of logic

  1. 1 a (1) :  a science that deals with the principles and criteria of validity of inference and demonstration :  the science of the formal principles of reasoning (2) :  a branch or variety of logic <modal logic> <Boolean logic> (3) :  a branch of semiotics; especially :  syntactics (4) :  the formal principles of a branch of knowledge b (1) :  a particular mode of reasoning viewed as valid or faulty (2) :  relevance, propriety c :  interrelation or sequence of facts or events when seen as inevitable or predictable d :  the arrangement of circuit elements (as in a computer) needed for computation; also :  the circuits themselves

  2. 2 :  something that forces a decision apart from or in opposition to reason <the logic of war>

logician play \lō-ˈji-shən\ noun

Examples of logic in a sentence

  1. If you just use a little logic, you'll see I'm right.

  2. There's no logic in your reasoning.

  3. There's some logic to what he says.

  4. There's a certain logic in what he says.

  5. The revolution proceeded according to its own logic.

  6. the logic of the situation

Origin of logic

Middle English logik, from Anglo-French, from Latin logica, from Greek logikē, from feminine of logikos of reason, from logos reason — more at legend

First Known Use: 12th century

LOGIC Defined for Kids


noun log·ic \ˈlä-jik\

Definition of logic for Students

  1. 1 :  a proper or reasonable way of thinking about something :  sound reasoning <There's no logic in what you said.>

  2. 2 :  a science that deals with the rules and processes used in sound thinking and reasoning

Seen and Heard

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expressing little or no emotion

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