in theory

Not in practice

In theory marks a claim as logically sound or plausible but untested in practice: In theory, the plan should work.

The phrase often implies skepticism—what follows may not hold up when reality intervenes: In theory we're equals, but in practice she makes all the decisions.

Contrast with in practice.

untested

unproven

Not yet established

hypothetical · experimental · unverified · unconfirmed · assumed · supposed · postulated · predicted · modeled · projected

ideal

ideally

In perfect circumstances

utopian · best-case · on paper · platonic · pristine · textbook · model · benchmark · exemplary

hypothetical

hypothetically

In assumed circumstances

ideally · conceptually · notionally · abstractly · assumedly · conjecturally · potentially · ostensibly · nominally · putatively

academic

philosophical

Concerned with fundamental truths

epistemological · metaphysical · ontological · axiomatic · conceptual · analytical · systematic · paradigmatic · framework · principles

contrast

practically

Almost but not quite

application · execution · implementation · real-world · empirically · concretely · feasibly · workably · operationally

Categories
Opposites
abstraction versus reality

in theoryin practice

As things really happen

in reality · in fact · actually · practically · really

idealized versus actual

in theoryin practice

As things really happen

in the field · in the trenches · boots on the ground

hypothetical vs. verified

in theoryin practice

As things really happen

empirically · demonstrably · proven · as it turns out · in truth

Family

theory, theorem, theories, theoretical, theorize, theoretically, theorizing, theorized, theorems

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G