unaware

Definitions

Having no knowledge of a situation or fact; uninformed.

Not conscious or mindful of something; heedless.

Examples

He was completely unaware of the surprise party waiting for him at home.

The hikers were unaware that a storm was approaching until the sky turned dark.

Synonyms

ignorant oblivious uninformed clueless unconscious heedless blind

Antonyms

aware conscious informed knowledgeable mindful cognizant alert