Solid Synonyms
Words/phrases that have a similar definition to the word "solid" include...rock-hard, unyielding, fixed, safe, frozen, levelheaded, stable, substantial, sturdy, firm, pure, dependable, hard, one hundred per cent, trustworthy, unadulterated, reliable, dense, continuous, genuine, sound, lasting, rock-solid, concrete, unbroken, constant, real, durable, enduring
Other words in thesaurus...