cool, miserable

hopeless and downtrodden

unsuccessful

failing to achieve a goal

(of a person, behaviour, thought) dishonourable; immoral

vulgar, low

deserving or causing contempt

despicable, shameful

inferior in quality

lousy

deserving to be despised

hateful; beyond contempt

(of an action) of no use; having no effect

hopeless, pointless

dirty; unpleasant; bad

lousy

silly

stupid

unimportant

insignificant

not producing the effect(s) desired

useless

(of) an animal without a backbone or spinal column, e.g. insects, worms

weak, useless

of little value; of poor quality; of small size or amount

skimpy

nothing

zero

(of children, behaviour etc) bad; wrong (but usually not seriously)

bad, misbehaved

not valid

ineffectual, valueless

causing pity; weak and useless

sad, affecting

pitiful

pitiful

feeling, showing, pity

in bad shape; poor

with little or no sense, aim or purpose

ridiculous, senseless

small and weak

small, insignificant

not working; not valuable

not working; not valuable

a kind of small shellfish with many legs and a long tail, used as food

small, insignificant

below normal (especially intelligence)

deficient, inadequate

of little value or importance; ordinary (and so dull)

not important

without effect or success

futile

not important

of no real worth, value

not necessary; that could have been avoided

not required

not productive

idle, non-productive

having no use; not able to do what is intended; having no result

not working; not valuable

given or done with evil or cruel intent

corrupt, wrong

shameful and disgusting; very bad

offensive, horrible

(of a person, behaviour) wrong; immoral; very bad; mischievous

corrupt, bad

very bad, sad etc; of poor quality

terrible, very bad

zip

of no real worth, value