Meaning & use

unscalable

adjective·Advanced

Last updated

UK/ʌnˈskeɪləbl/
US/ʌnˈskeɪləbl/

Meanings

  1. adjectivecomparablebusinesscomputing

    Not able to be expanded or enlarged efficiently to handle more users, work or demand without breaking down.

    Grammar: Used before a noun or after be: an unscalable system, the design is unscalable.

    Patterns

    • unscalable for something

    The startup's hand-built ordering process proved unscalable once thousands of customers arrived.

    Engineers called the database design unscalable and began a rewrite.

    Personal coaching for every client is lovely but unscalable.

  2. adjectivecomparable

    Too steep or sheer to climb, such as a wall, cliff or fortress barrier.

    Grammar: Describes a physical surface: an unscalable cliff.

    The castle's unscalable walls kept invaders out for centuries.

    The climbers turned back when they reached an unscalable ice face.

    To the little boy, the garden fence looked unscalable.

Common combinations

prove unscalable
The manual process proved unscalable as orders tripled.
an unscalable wall
An unscalable wall surrounded the old prison.
deemed unscalable
The peak was deemed unscalable without supplemental oxygen.
unscalable business model
Investors rejected the unscalable business model.

Synonyms and how they differ

unclimbable
Unclimbable fits only the physical sense, while unscalable also works for systems and plans.
insurmountable
Insurmountable describes obstacles or problems in general, not systems that cannot grow.
inflexible
Inflexible suggests something cannot adapt, which may be a cause of being unscalable but is not the same thing.

Opposites

scalableclimbable

Word family

scale verb
to climb, or to grow in size
scalable adjective
able to be expanded or climbed
scalability noun
the ability to grow or be expanded
scaling noun
the act of expanding or climbing

Commonly confused: unscalable or unscalable vs. unscaleable?

unscalable vs unscalable vs. unscaleable

Both spellings exist, but unscalable without the extra e is the usual form.

Practice

The investors turned the company down because its hand-run process was ______ and could not serve a million customers.

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