1) to say nothing of, not to mention
1a) much less
1b) much more, much rather
Part of Speech: particle
From G3385 and G1065; not at all then, that is, not to say (the rather still): - how much more.
|how much more||91.9|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root μήτιγε; click on the second column to search for that grammatical form of the root μήτιγε; click on the third column to search for that word and grammatical form; click on the total to search for the root μήτιγε.