Simple past tense and past participle of proportion. (verb)
Examples of word proportioned
Congress in terms proportioned in their explicitness and solemnity to the conviction he entertains of the importance and inviolability of the principle involved.
Every day he found them in the same place and got rid of them by a large coin proportioned to the enormity of his remorse.
Their incorrectness and absurdity soon became apparent; and with a zeal, perhaps, bordering on indiscretion, he denounced them to his pupils with an ardour of manner and of expression proportioned to his own conviction of the truth.
It's downright ill-proportioned which is why I think you want to pull it up.
A "proportioned" dress is one where they make allowances for short- and long-waisted people, and include three different bodice pieces to make fitting easier.