The phrase "a complete proposal" is correct and usable in written English.
You can use it when referring to a proposal that includes all necessary information and details required for consideration or approval.
Example: "Before we can move forward with the project, please submit a complete proposal outlining your plans and budget."
Alternatives: "a thorough proposal" or "a full proposal".
"Syrian NGOs sent a complete proposal [to the UN and Sarc] … offering to provide medical treatment.
Agency officials said their officers had never intended the target to be viewed by the Pentagon as a complete proposal, but simply as a nomination.
He is asking the Assembly and State Senate to approve it Monday, though they have yet to see a complete proposal.
His manager on the project, Floyd Johnson, confirmed that he did not circulate the final proposal internally before publication, but added, that "you don't necessarily wait" for a complete proposal before sending out draft consultations.
"Read Trump closely – it is difficult to do, I know – and if you extract his total racist and sexist stupidities, you will see that here and there, where he makes a complete proposal, they're usually not so bad," said Žižek.
Maybe I will design a mechanical installation, but I haven't received a complete proposal.
"We have unveiled a very complete proposal," Ms. Lagarde said at a meeting of business executives in Paris yesterday.
A local inquiry was held soon afterwards in Stoke, which reported back quickly and in April 1907 informed both Stoke and Longton councils that the proposed scheme was not sufficiently comprehensive and suggested holding another conference between the six towns to discuss a more complete proposal.
Overall the authors propose to replicate what amounts to the key findings of Willingham et al, in a carefully considered and complete proposal.
In the American television industry, the complete proposal for a TV show pitch is the "Treatment".
Neither side is expected to deliver a complete new proposal.
