unbeaten

As an adjective unbeaten

is not defeated.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As adjectives the difference between unbeaten and undefined

is that unbeaten is not defeated while undefined is lacking a definition or value.

As adjectives the difference between extraordinary and unbeaten

is that extraordinary is not ordinary; exceptional; unusual; while unbeaten is not defeated.

As adjectives the difference between unbeatable and unbeaten

is that unbeatable is that cannot be beaten, defeated or overcome while unbeaten is not defeated.

As a noun unbeatable

is someone or something that can't be beaten.

is likely misspelled.

has no English definition.

As an adjective unbeaten

is not defeated.

As adjectives the difference between unbeaten and undefeated

is that unbeaten is not defeated while undefeated is never defeated; always victorious.

As adjectives the difference between uneaten and unbeaten

is that uneaten is not eaten while unbeaten is not defeated.

As adjectives the difference between unbeaten and complex

is that unbeaten is not defeated while complex is made up of multiple parts; composite; not simple.

As a noun complex is

a problem.

As a verb complex is

to form a complex with another substance.