Dissimulation, Dissemble - Vine's Expository Dictionary of New Testament Words
Dissimulation, Dissemble[ A-1,Noun,G5272, hupokrisis ]
primarily, a reply," came to mean "the acting of a stage-player," because such answered one another in dialogue; hence the meaning "dissembling or pretense." It is translated "dissimulation" in Galatians 2:13 (See B). See HYPOCRISY.
[ B-1,Verb,G4942, sunupokrinomai ]
sun, "with," hupokrinomai, akin to A, "to join in acting the hypocrite," in pretending to act from one motive, whereas another motive really inspires the act. So in Galatians 2:13, Peter with other believing Jews, in separating from believing Gentiles at Antioch, pretended that the motive was loyalty to the Law of Moses, whereas really it was fear of the Judaizers.
[ C-1,Adjective,G505, anupokritos ]
from a, negative, n, euphonic, and an adjectival form corresponding to A, signifies "unfeigned;" it is said of love, 2 Corinthians 6:6; 1 Peter 1:22; Romans 12:9, AV, "without dissimulation," RV, "without hypocrisy;" of faith, 1 Timothy 1:5; 2 Timothy 1:5, "unfeigned;" of the wisdom that is from above, James 3:17, "without hypocrisy." See HYPOCRISY.