a short sound as from electronic equipment

minor shock

a fault; something that is not complete or perfect

blemish, imperfection

(an instance of) the state of being short of, less than, what is correct or needed

imperfection, inadequacy

a mistake; the state of being wrong in belief or behaviour

mistake; wrong

something that lessens the value, beauty or perfection of a thing

imperfection

a person or thing that hinders

obstruction, difficulty

a short pull or push (up); a kind of noose or knot; a temporary difficulty

problem, difficulty

the state of being imperfect; a fault (the usual word)

flaw

not adequate; not enough; (of a person) not able, skilled or strong enough

defective, insufficient, incompetent

(an instance, example, of) restricting or being restricted

limit

a hidden, unknown or unexpected difficulty

complication in situation