When you want to say that something is enough or good enough for a particular need, use the adjective adequate. You might have an adequate amount of flour for a batch of pancakes, but not a lot extra.

Adequate can also describe something that is acceptable or satisfactory, but not any better than that. You might say that a student's grades are adequate but need improvement. This word is from Latin adaequāre"to make equal," from the prefix ad- plus aequare "to equal."

Definitions of adequate

adj having the requisite qualities or resources to meet a task

“she had adequate training”
“her training was adequate
“she was adequate to the job”
adequate to, capable, equal to, up to
having the requisite qualities for
adequate for the purpose
giving satisfaction
inadequate, unequal
lacking the requisite qualities or resources to meet a task
deficient, lacking, wanting
inadequate in amount or degree
incapable, incompetent, unequal to
not meeting requirements
short-handed, short-staffed, undermanned, understaffed
inadequate in number of workers or assistants etc.
not giving satisfaction
show more antonyms...

adj sufficient for the purpose

“an adequate income”
“the food was adequate
decent, enough
of a quantity that can fulfill a need or requirement but without being abundant

adj about average; acceptable

“more than adequate as a secretary”
fair to middling, passable, tolerable
giving satisfaction

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