| knotty |
difficult to understand or solve; complex; intricate. [2 definitions] |
| knotty pine |
pine wood with many knots, used esp. for paneling and furniture. |
| knout |
a leather whip formerly used to flog criminals or or other captives. [2 definitions] |
| knouter |
someone who beats criminals or captives with a leather whip, or knout. |
| know |
perceive directly or be aware of something through learning or observation. [7 definitions] |
| knowable |
capable of being understood or known. |
| know by sight |
to be able to recognize (someone) by their physical appearance but not have any further acquaintance. |
| know-how |
(informal) the specialized knowledge needed to perform a certain task. |
| knowing |
having knowledge or understanding. [4 definitions] |
| knowingly |
concurrent with one's knowledge or awareness. |
| know-it-all |
(informal) a person who acts as if he or she knows almost everything. |
| knowledge |
familiarity, awareness, or understanding. [4 definitions] |
| knowledgeable |
having knowledge; informed. |
| known |
past participle of know. [3 definitions] |
| know-nothing |
an uninformed, ignorant person; ignoramus. [2 definitions] |
| known quantity |
(informal) a person, thing, attribute, or the like that is considered to be familiar or accepted. [2 definitions] |
| know of |
to be aware of; have heard about. |
| know the ropes |
(informal) to be or become acquainted with the techniques or procedures pertinent to a particular situation, organization, or the like. |
| know which side one's bread is buttered on |
to be very aware of what is advantageous to one. |
| knuckle |
any of the rounded joints of a finger, esp. the joint that connects the finger to the hand. [4 definitions] |
| knuckle ball |
in baseball, a slow pitch thrown with the knuckles or tips of two or three fingers pressed against the ball, causing it to waver and jump; knuckler. |