unfillable

1 6.2

Not able to be made whole or replaced

adjective
/ʌnˈfɪləbəl/

: incompletable

If you are feeling like your stomach is a gaping, unfillable void, I suggest drinking a large glass of hot water (or piping tea without sugar if you want a little flavor).
an unfillable void

There's a giant hole that's unfillable by humans.

Examples

There's a giant hole that's unfillable by humans.

Lex Fridman
'Revenge will never lessen the unfillable void 'left by those now gone.

The Chamber (1996)
Deep down inside, there's a hole that is unfillable because human beings can't function that way.
In response to this concern, it might be noted first that a similar incentive exists now for senators to hold seats open, and for this reason, it is widely assumed that any Supreme Court seat that opens up in a presidential election year will be unfillable because of filibuster threats.

Academic text (2006)
The loss of my best friend left an unfillable emptiness in my life.
After the factory closed, the job market felt unfillable for many workers searching for suitable positions.
Her sudden departure created an unfillable gap in the team's productivity and morale.

Synonyms

unquenchable

vsunfillable

7 7.4

A strong want or need no one can satisfy

is used more generally for things that cannot be occupied or taken in

insatiate

vsunfillable

Literature

1 9.9

A person or feeling that always wants more and is never pleased

can also describe things that cannot be occupied or receive contents

unfulfillable

vsunfillable

1 8.7

Impossible to do or make happen

applies also to physical spaces that cannot hold people or objects

quenchless

vsunfillable

Archaic

1 9.9

Too strong to be satisfied like thirst or curiosity

is the everyday term used for objects that cannot be occupied or hold contents

unsatisfiable

vsunfillable

1 7.9

Not possible to meet a demand or to solve a problem

also applies to things you cannot put objects into or occupy

unassuageable

vsunfillable

1 9.9

Impossible to calm or satisfy

is more about inability to accept occupants or to contain things

unsatiable

vsunfillable

1 9.9

Always wanting more and never feeling content

also applies to things that cannot be occupied or hold contents

unpleasable

vsunfillable

1 7.9

Impossible to satisfy no matter what others do

is broader, also describing things that cannot be occupied or hold items

Antonyms

satisfiable

Specialized

1 7.7

Able to be made true, for example a logical formula

fillable

1 3.9

Available to be taken for a job or position

How Fillable

fillable

1 3.9

unfillable

1 6.2

Surface Forms

unfillable positive

unfillabler comparative

unfillablest superlative

Morphology

unfillable = fillable (transparent) = un + fill + able

Formed by adding the productive negative prefix 'un-' to 'fillable' (fill + -able), yielding 'not able to be filled'.

Etymology

The word unfillable breaks down into un- 'not', fill 'to make full', and -able 'able to be'. So unfillable means 'not able to be filled', which is why we use it for things you cannot fill, satisfy, or replace.