fallible

As a letter s

is the letter s with a.

As an adjective fallible is

capable of making mistakes or being wrong.

As adjectives the difference between terrible and fallible

is that terrible is dreadful; causing alarm and fear while fallible is capable of making mistakes or being wrong.

As a noun mandible

is the lower jaw, especially the lower jawbone.

As an adjective fallible is

capable of making mistakes or being wrong.

As adjectives the difference between fallible and sensible

is that fallible is capable of making mistakes or being wrong while sensible is perceptible by the senses.

As a noun sensible is

(obsolete) sensation; sensibility.

As adjectives the difference between fallible and unsteady

is that fallible is capable of making mistakes or being wrong while unsteady is not held firmly in position, physically unstable.

As a verb unsteady is

to render unsteady, removing balance.

As adjectives the difference between fallible and horrible

is that fallible is capable of making mistakes or being wrong while horrible is causing horror; terrible; shocking.

As a noun horrible is

a thing that causes horror; a terrifying thing, particularly a prospective bad consequence asserted as likely to result from an act.

As adjectives the difference between fallible and undefined

is that fallible is capable of making mistakes or being wrong while undefined is lacking a definition or value.

As adjectives the difference between fallible and imperfect

is that fallible is capable of making mistakes or being wrong while imperfect is not perfect.

As a noun imperfect is

something having a minor flaw.

As adjectives the difference between fallible and flawed

is that fallible is capable of making mistakes or being wrong while flawed is having a flaw.