• (a.) Holding the tenets of Solifidians; of or pertaining to the solifidians. • (n.) One who maintains that faith alone, without works, is sufficient for justification; -- opposed to nullifidian.
Sol`i·fid'i·an noun [ Latin solus alone + fides faith.] (Eccl.) One who maintains that faith alone, without works, is sufficient for justification; -- opposed to nullifidian . Hammond. 
solifidian One who holds that faith alone, without works, is sufficient for justification (salvation).