Empirical

medium

em-PEER-ih-kuhl

adjective

Definition

based on observation or experiment rather than theory

Examples

The claim lacked any empirical support and rested entirely on intuition.
Scientists demanded empirical data before accepting the new model.

Synonyms

observedexperientialexperimentalevidence-based

Antonyms

theoreticalspeculativeconjecturalhypothetical

Categories

GRE Tip

Empirical is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "observed" or "experiential" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "theoretical".

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