adj Having a characteristic that the speaker cannot specify.
adv (degree) Somewhat; to a degree.
adv (colloquial, especially in certain set combinations) Used to adverbialise a following adjective
v Designates an action whose name is forgotten by, unknown or unimportant to the user, e.g. from words of a song.
n An object whose nature is yet to be defined.
n An object whose name is forgotten by, unknown or unimportant to the user, e.g., from words of a song. Also used to refer to an object earlier indefinitely referred to as 'something' (pronoun sense).