Prefixes: un_, in_, im

not behaving in a way that is as calm and wise as people expect from someone of your age

easily annoyed by someone's mistakes or because you have to wait

if an action or event is this, it cannot happen or be achieved

not effective or reasonable, or (of people) not able to provide effective or simple solutions

• impossible

• impatient

• impractical

• impolite

unsuitable, especially for the particular time, place, or situation

• independent

• inappropriate

• inexpensive

• invisible

not influenced or controlled in any way by other people, events, or things

• independent

• unacceptable

• uncomfortable

• unusual

not costing a lot of money

not formal or official

impossible to see

different from others of the same type in a way that is surprising, interesting, or attractive