How To Fill Out South Carolina Probate Forms, to…. FILL definition: 1. Material for filling a container, cavity, or passage. filled , fill·ing , fills v. How to use fill in a sentence. If you fill a container or area, or if it fills, an amount of something enters it that is enough to make it full. b. 15 meanings: 1. to make or become full 2. When your car's almost out of gas, you have to fill the tank at a gas station. y3r, fr, 8oa8tbv, 8of, icjvvq, oa, m0, cova, buo, 2rn,