English Reference

Word

feasibility

Phoneticsfea·si·bil·i·ty

US/ˌfizəˈbɪɫəti/

UK/fˌiːzəbˈɪlɪti/

Definition

n. the quality of being possible to do or achieve. You use this to talk about whether a plan or project is realistic.

n. the degree to which a proposed plan or method is capable of being accomplished successfully. Often used in technical or business contexts to evaluate practical constraints.

Examples

“We need to check the feasibility of this new plan.”

“The committee is conducting a study to determine the feasibility of building a new bridge across the river.”

“Before committing significant capital to the venture, the board requested a comprehensive report on the technical and economic feasibility of the proposed expansion.”

Examples

simple

“We need to check the feasibility of this new plan.”

contextual

“The committee is conducting a study to determine the feasibility of building a new bridge across the river.”

complex

“Before committing significant capital to the venture, the board requested a comprehensive report on the technical and economic feasibility of the proposed expansion.”

Usage

Uncountable in its abstract sense; often followed by the preposition 'of'.

Real-World Examples

Common in science and technology writing

“Following their victory, Eurovision organisers undertook a "full assessment and feasibility study" to decide whether the 2023 contest could proceed in Kyiv.”
BBC News · 13 Aug 2026
“Instead, they are assessing the feasibility of holding male prisoners in alternative sites, such as men’s training prisons or repurposed and emptied women’s jails, once security has been improved.”
The Guardian · 13 Aug 2026
“A 2017 feasibility study identified two places in the region with enough suitable habitat to re-establish populations, both in Kazakhstan.”
The Guardian · 11 Aug 2026

Etymology

From Middle English faisible, from Anglo-Norman fesable + English suffix -ity.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

englishreference.com/q/feasibility

English Reference