Prefix "Un-"

Not sure

• uncertain

• unworthy

• unnecessary

• untidy

rare; not the usual; remarkable

• unwise

• uncertain

• uncommon

• unexpected

not within thought; not awake

• unmistakable

• undecided

• unconscious

• unworthy

not yet at the point of making a decision

• uncommon

• unexpected

• unnecessary

• undecided

not what someone thought would happen; not predicted

• uncommon

• unexpected

• unworthy

• unwise

clear; cannot be understood the wrong way; not able to be confused or misunderstood

• unmistakable

• untidy

• uncertain

• undecided

not required

• unconscious

• unexpected

• unmistakable

• unnecessary

messy; not neat; not organized

• untidy

• unconscious

• unexpected

• unmistakable

not smart

• uncommon

• unworthy

• unmistakable

• unwise

not deserving; not having any value

• unworthy

• unconscious

• unnecessary

• uncertain