If a cell is surrounded by hypertonic solution, then water will move OUT of the cell by osmosis because there is a higher concentration of water inside the cell compared to outside (where there is lots of dissolved salt, etc.) A cell in hypertonic solution will shrink.
Definition of simper for English Language Learners. : 1  to smile in a way that is not sincere or natural. : 2  to say (something) in a way that is not sincere or natural.
To simper means to smile in an artificial, coy or self-conscious way. If you hope to please someone by simpering, you may wind up annoying him or her. The origin of the word simper is not clear, but it is probably Germanic as there are similar words in Danish as well as Middle Dutch.