knowˈ-all noun

Someone who thinks they know everything

knowˈ-how or knowˈhow noun

1. The faculty of knowing the right thing to do in any contingency
2. Specialized skill

knowˈ-nothing noun

1. Someone who is totally ignorant
2. A member of the (Native) American Party (1854–6), orig secret

adjective

Completely ignorant

knowˈ-nothingism noun

I don't know

I disagree

I know or I know what

I've got an idea

in the know (informal)

1. In possession of private information
2. Initiated

I wouldn't know

I am not in a position to know

know all the answers

To be completely informed on everything, or to think one is

know better

To be wiser, better instructed (than to do this or that)

know how many beans make five

To be sensible and aware, to have one's wits about one

knowing to (obsolete)

Aware or informed of

known as

Going by the name of

know the ropes

To understand the detail or procedure

know what's o'clock (obsolete) or know what's what

To have one's wits about one, be on the ball

know which side one's bread is buttered on

To be looking after one's own interests

there is no knowing

One cannot tell

what do you know?

1. What is the news?
2. A greeting or expression of incredulity

you know (informal)

Used as a conversation filler, marking a pause, sometimes for emphasis but often almost meaningless

you never know (informal)

Perhaps