not helpful; not effective; to make use of, take advantage of, something

use

the state of being competent

ability

the quality of being convenient or suitable

availability, usefulness; useful thing

writing letters; letters

agreement

(the quality of) being decent

respectable behavior

expediency

suitableness, appropriateness

the condition of the body or the mind; the state of being well and free from illness

physical, mental wellness

a favourable time or chance

lucky chance; favorable circumstances

the state of being correct in behaviour and morals

suitableness, appropriateness

a diploma, degree etc that proves a person has trained for something; something which restricts, modifies or limits

ability, aptitude

willingness

skill; eagerness

(an act of) help or assistance to another or others; an organized system of work etc for the needs of the public

aid, help

to cause (something) to act or serve for a purpose; to have the use of a supply (until nothing is left); to behave towards (a person)

application; employment

the quality of being useful; a public service such as the supply of water or a bus service

serviceableness

skill; eagerness

skill; eagerness