Word
theoretical
Phoneticsthe·o·ret·i·cal, stress on the third syllable
US/ˌθiɝˈɛtɪkəɫ/
UK/θiəɹˈɛtɪkəl/
Definition
adj. based on ideas or possibilities rather than on real things you can see or touch. You use this when something is possible in your mind but has not happened in real life yet.
adj. relating to or based on a system of ideas rather than practical application. Often used to describe a scenario that is hypothetical or speculative in nature.
Examples
“The plan is still theoretical and hasn't been tested.”
“While the solution works in a theoretical sense, the engineers are worried about how it will perform in extreme weather.”
“The physicist presented a theoretical model of the universe that challenged existing laws, though empirical evidence to support his claims remains elusive due to current technological limitations.”
Examples
simple
“The plan is still theoretical and hasn't been tested.”
contextual
“While the solution works in a theoretical sense, the engineers are worried about how it will perform in extreme weather.”
complex
“The physicist presented a theoretical model of the universe that challenged existing laws, though empirical evidence to support his claims remains elusive due to current technological limitations.”
Collocations
Common phrases and expressions where native English speakers use the word “theoretical” in context.
Adjective
01. theoretical analysis
“The researcher provided a detailed theoretical analysis of the economic crisis.”
adj + noun
02. theoretical approach
“We need to adopt a new theoretical approach to solve this sociological problem.”
adj + noun
03. theoretical argument
“His theoretical argument was sound, but it lacked empirical evidence.”
adj + noun
04. theoretical assumption
“The model is based on the theoretical assumption that markets are always efficient.”
adj + noun
05. theoretical physicist
06. theoretical calculations
07. theoretical predictions
08. appreciation theoretical
09. concentric theoretical
10. experience theoretical
11. limiting theoretical
12. persistent theoretical
Usage
Commonly used in contrast with 'practical' or 'applied'.
Real-World Examples
“They faced fines, or in extreme cases the theoretical possibility of three months in prison, depending on the reasons provided for the absences.” “The Iranian attack on US forces near al-Tanf, southern Syria, in July demonstrated that Iran’s use of force inside Syrian territory is no longer just a theoretical possibility.” Etymology
From Middle English theorothycall, probably from Latin theōrēticus + -al, from Ancient Greek θεωρητικός (theōrētikós).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
ADJECTIVE
ADVERB
Related words
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Common
- Level
- C1 · AdvancedOxford
- Updated
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