The phrase "a solid ally" is correct and usable in written English.
It can be used to describe someone or something that is reliable and supportive in a partnership or relationship.
Example: "Throughout the project, Sarah proved to be a solid ally, always offering her help and expertise when needed."
Alternatives: "a dependable partner" or "a trustworthy supporter."
Having a solid ally, Bismarck demonstrated his virtuosity by negotiating a revived Dreikaiserbund in 1881.
Even in Armenia, long a solid ally of Russia, there is discomfort over how the Kremlin has chosen to act in Ukraine.
Even so, Juárez Celman was forced to step down in favour of the vice president, Carlos Pellegrini (1890 92), a solid ally of Roca.
The Hungarian government that welcomed Mr Bush is a coalition of ex-communists and liberals, but it has been a solid ally in both Iraq and Afghanistan.
But Israeli officials are particularly concerned about its rise on US university campuses because they fear the erosion of support among future leaders of the one country Israel regards as a solid ally.
Lawson had been a solid ally of King and the Southern Christian Leadership Conference (SCLC) going back to the 1950s.
The neoconservatives may favour holding on, at all costs, to the only solid ally within a federal Iraq, namely the Kurdish regional government.
And it may turn out that India will simply join America, as Japan has, as a solid democratic ally in Asia.
Syria will feel even more isolated and embarrassed if its sole solid ally is Iran.In this section It might really happen Eek! Trouble at the top Flee or hide Muqtada al-Sadr, back in business Caught in the middle The eyes have it A rare good man Reprints.
He has solid allies in Megan (Zena Grey), a sweet little girl who makes a whole lot more sense for Max than those leggy things around the schoolyard, and Robe (Josh Peck), a chubby lad and a plugger.
