(sometimes followed by `to') meeting the requirements especially of a task; "she had adequate training"; "her training was adequate"; "she was adequate to the job"
about average; acceptable; "more than adequate as a secretary"
enough to meet a purpose; "an adequate income"; "the food was adequate"; "a decent wage"; "enough food"; "food enough"
a statement acknowledging something or someone; "she must have seen him but she gave no sign of acknowledgment"; "the preface contained an acknowledgment of those who had helped her"