1. (

• unintentional ,
• unplanned ,
• unwitting

) not done with purpose or intent; "an unintended slight"; "an unintentional pun"; "the offense was unintentional"; "an unwitting mistake may be overlooked" ;

2. (

• unwitting

) not aware or knowing; "an unwitting subject in an experiment" ;

3. (

• ignorant ,
• unknowledgeable ,
• unknowing ,
• unwitting

) unaware because of a lack of relevant information or knowledge; "he was completely ignorant of the circumstances"; "an unknowledgeable assistant"; "his rudeness was unwitting" ;