Antonyms of adj theoretical

2 senses of theoretical

Sense 1
theoretical (vs. empirical), theoretic -- (concerned primarily with theories or hypotheses rather than practical considerations; "theoretical science")

empirical (vs. theoretical), empiric -- (derived from experiment and observation rather than theory; "an empirical basis for an ethical theory"; "empirical laws"; "empirical data"; "an empirical treatment of a disease about which little is known")
        => a posteriori -- (requiring evidence for validation or support)
        => confirmable, verifiable, falsifiable -- (capable of being tested (verified or falsified) by experiment or observation)
        => experiential, existential -- (derived from experience or the experience of existence; "the rich experiential content of the teachings of the older philosophers"- Benjamin Farrington; "formal logicians are not concerned with existential matters"- John Dewey)
        => experimental, data-based, observational -- (relying on observation or experiment; "experimental results that supported the hypothesis")
        => experimental -- (of the nature of or undergoing an experiment; "an experimental drug")
        => semiempirical -- (relying to some extent on observation or experiment)
        => trial-and-error -- (trying out various means or theories until error is satisfactorily reduced or eliminated; "he argued that all learning is a trial-and-error process that resembles biological evolution")

Sense 2
theoretical (vs. applied) -- (concerned with theories rather than their practical applications; "theoretical physics")

applied (vs. theoretical) -- (concerned with concrete problems or data rather than with fundamental principles; "applied physics"; "applied psychology"; "technical problems in medicine, engineering, economics and other applied disciplines"- Sidney Hook)
        => forensic -- (used or applied in the investigation and establishment of facts or evidence in a court of law; "forensic photograph"; "forensic ballistics")
        => practical -- (having or put to a practical purpose or use; "practical mathematics"; "practical applications of calculus")

Similarity of adj theoretical

2 senses of theoretical

Sense 1
theoretical (vs. empirical), theoretic -- (concerned primarily with theories or hypotheses rather than practical considerations; "theoretical science")
       => abstractive -- (of an abstracting nature or having the power of abstracting; "abstractive analysis")
       => a priori -- (based on hypothesis or theory rather than experiment)
       => conjectural, divinatory, hypothetical, hypothetic, supposed, suppositional, suppositious, supposititious -- (based primarily on surmise rather than adequate evidence; "theories about the extinction of dinosaurs are still highly conjectural"; "the supposed reason for his absence"; "suppositious reconstructions of dead languages"; "hypothetical situation")
       => notional, speculative -- (not based on fact or investigation; "a notional figure of cost helps in determining production costs"; "speculative knowledge")
       => metaphysical -- (highly abstract and overly theoretical; "metaphysical reasoning")
       => theory-based -- (based in theory rather than experiment; "theory-based arguments and positions")

Sense 2
theoretical (vs. applied) -- (concerned with theories rather than their practical applications; "theoretical physics")
       => abstract -- (dealing with a subject in the abstract without practical purpose or intention; "abstract reasoning"; "abstract science")
       => academic -- (hypothetical or theoretical and not expected to produce an immediate or practical result; "an academic discussion"; "an academic question")
       => pure -- (concerned with theory and data rather than practice; opposed to applied; "pure science")