To hide or disguise by adopting a false appearance.
To hide (one's feelings, motives, etc.) by pretense; dissemble.
Feigning; simulating; pretending.
To conceal (one's intentions, for example) under a feigned appearance.
To conceal one's true feelings or intentions.
Origin of dissimulate
- Middle English dissimulaten from Latin dissimulāre dissimulāt- dis- dis- simulāre to simulate simulate
From American Heritage Dictionary of the English Language, 5th Edition