causing a person to be disappointed

unsatisfactory

a framework of wooden or metal bars placed across an opening such as a window, used to keep out burglars or to allow air to flow through

irritating; scraping

(of smell, behaviour etc) very unpleasant

offensive, repulsive

not acceptable

not suitable or satisfactory

(of a person) not welcome, liked

offensive, unacceptable

not attractive or tempting

disagreeable, not pleasant

not likable

offensive, unacceptable

not pleasant

bad

not satisfactory

insufficient, inadequate

(of a person) not welcome; (of weather, criticism, behaviour) not liked because bad, inappropriate

not wanted, desired