Theoretically

ˌθɪəˈretɪk(ə)li

adverbmediumCommonScience

Definitions

1

In a way that is based on a theory, rather than on practical experience.

ˌθɪəˈretɪk(ə)li

adverbneutralmedium
Science

Based on or involving a theory or speculation rather than practice or practical application.

Theoretically, if you plant a seed and give it water and sunlight, it will grow.

💡 Simply: Imagine you're planning a party. Theoretically, it'll be super fun if everything goes perfectly according to your plan. But in reality, something might go wrong! So, 'theoretically' means 'in the idea or plan,' not necessarily the actual doing.

👶 For kids: If something is 'theoretically' true, it means it's like in a story or a guess, not something you can see or touch yet.

More Examples

2

Theoretically, the bridge is strong enough to hold the weight of the trucks.

3

Theoretically, the project should be completed by next month, but we need to ensure that we have the necessary resources.

How It's Used

Science

"The experiment worked theoretically, but failed in practice."

Business

"The investment strategy is theoretically sound, but its success depends on market conditions."

Everyday conversation

"Theoretically, we could finish the project by Friday."

From Greek 'theōria' (contemplation, speculation), via Medieval Latin 'theoreticus' (theoretical), and Late Latin '-alis' (suffix forming adjectives from nouns). It reflects a shift from philosophical contemplation to a more scientific or hypothetical understanding.

Used extensively in scientific and philosophical discourse since the 17th century. Its use expanded with the growth of science and technology.

Memory tip

Think of a theoretical physicist who lives in the realm of ideas and not the lab.

theoreticlytheoritically

Usage

30%Spoken
70%Written