1. 无计划的：unplaced /无处居住的/无入选的/ | unplanned /无计划的/ | unplayable /无法用乐器演奏的/

2. 未计划的：33 chance 偶然的 | unplanned 未计划的 | 34 classify 分类 categorize 分类

adj

1. not done with purpose or intent

e.g. an unintended slight
an unintentional pun
the offense was unintentional
an unwitting mistake may be overlooked

Synonym: unintentionalunwitting

2. without apparent forethought or prompting or planning

e.g. an unplanned economy
accepts an unplanned order
an unplanned pregnancy
unplanned remarks