as the agent of or on someone's part (usually expressed as "on behalf of" rather than "in behalf of"); "the guardian signed the contract on behalf of the minor child"; "this letter is written on behalf of my client";
for someone's benefit (usually expressed as `in behalf' rather than `on behalf' and usually with a possessive); "in your behalf"; "campaigning in his own behalf"; "spoke a good word in his friend's behalf"
(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"
the reason for a court's judgment (as opposed to the decision itself)
a personal belief or judgment that is not founded on proof or certainty; "my opinion differs from yours"; "what are your thoughts on Haiti?"
the legal document stating the reasons for a judicial decision; "opinions are usually written by a single judge"
a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof; "his opinions appeared frequently on the editorial page"