From Longman Dictionary of Contemporary Englishbe solidbe solidBritish EnglishAGREE to be in complete agreement The workers are 100% solid on this issue. → solid
Examples from the Corpus
be solid• From London to Canterbury the traffic was solid and the fumes that built up in the car made her head ache.• The barriers were solid, but only until the mid-fifties.• Many of them are solid citizens.• Yet the cushioned seat was solid enough, and the pain in her hand was almost too real.• The pressures to spend are solid enough.• This inner sphere would be solid iron in the midst of the molten metal.• But there are solid reasons for doing mass actions.• The ground was solid with rubble. 