Adjective
impressionable - Easily influenced by somebody or something, usually due to being inexperienced or naïve.
Because children tend to be very impressionable, their use of the internet should be monitored, so that they are kept away form undesirble influences.
dowdy - (of a person or their clothes) unfashionable and without style in appearance (typically used of a woman)
When Helen reached the age of 100, she didn't care that people thought that she dressed in a dowdy manner, she contented herself thinking about the wonderful family she had raised.