(I'm saying the exact definition from my dictionary)
man·ner/ˈmanər/Noun:
Adjective:
definition of good manner
In a curt manner.
In a traditional manner.
In a poignant manner.
'All manner of victuals' means 'Many kinds of food'.
In an insubstantial or weak manner
A failure to operate in a satisfactory manner.
In an anatomical manner; by means of dissection.
'Painting in the style of' some other artist.
fooling around in a rough manner
To reproach in a mocking, insulting, or contemptuous manner
The way or manner in which something is done.