unplanned

As a noun schedule

is a slip of paper; a short note.

As a verb schedule

is to create a time-schedule.

As an adjective unplanned is

unintentional; not intended.

Unplanned is a related term of unpremeditated.

As adjectives the difference between unplanned and unpremeditated

is that unplanned is unintentional; not intended while unpremeditated is performed, but not planned or thought out in advance; extemporaneous, but not unintentional.

Unplanned is a related term of uncalculated.

As adjectives the difference between unplanned and uncalculated

is that unplanned is unintentional; not intended while uncalculated is not calculated; lacking forethought.

As an adjective unplanned is

unintentional; not intended.

As adjectives the difference between accidental and unplanned

is that accidental is not essential; incidental, secondary while unplanned is unintentional; not intended.

As a noun accidental

is a property which is not essential; a nonessential; anything happening accidentally.

As adjectives the difference between unplanned and haphazard

is that unplanned is unintentional; not intended while haphazard is random; chaotic; incomplete; not thorough, constant, or consistent.

Unexpected is a related term of unplanned.

Unexpected is a synonym of unplanned.

As adjectives the difference between unplanned and unexpected

is that unplanned is unintentional; not intended while unexpected is not expected, anticipated or foreseen.

Unplanned is a related term of chance.

As an adjective unplanned

is unintentional; not intended.

As a proper noun chance is

, an american pet form of chauncey, in modern usage also associated with the word chance.

Unplanned is a related term of unforeseen.

As adjectives the difference between unplanned and unforeseen

is that unplanned is unintentional; not intended while unforeseen is not foreseen.