'To laugh to scorn' definitions:

Definition of 'To laugh to scorn'

From: GCIDE

Laugh \Laugh\, v. t.
1. To affect or influence by means of laughter or ridicule. [1913 Webster]
Will you laugh me asleep, for I am very heavy? --Shak. [1913 Webster]
I shall laugh myself to death. --Shak. [1913 Webster]
2. To express by, or utter with, laughter; -- with out. [1913 Webster]
From his deep chest laughs out a loud applause. --Shak. [1913 Webster]
To laugh away. (a) To drive away by laughter; as, to laugh away regret. (b) To waste in hilarity. "Pompey doth this day laugh away his fortune." --Shak.
To laugh down. (a) To cause to cease or desist by laughter; as, to laugh down a speaker. (b) To cause to be given up on account of ridicule; as, to laugh down a reform.
To laugh one out of, to cause one by laughter or ridicule to abandon or give up; as, to laugh one out of a plan or purpose.
To laugh to scorn, to deride; to treat with mockery, contempt, and scorn; to despise. [1913 Webster]

From: GCIDE

Scorn \Scorn\ (sk[^o]rn), n. [OE. scorn, scarn, scharn, OF. escarn, escharn, eschar, of German origin; cf. OHG. skern mockery, skern[=o]n to mock; but cf. also OF. escorner to mock.]
1. Extreme and lofty contempt; haughty disregard; that disdain which springs from the opinion of the utter meanness and unworthiness of an object. [1913 Webster]
Scorn at first makes after love the more. --Shak. [1913 Webster]
And wandered backward as in scorn, To wait an aeon to be born. --Emerson. [1913 Webster]
2. An act or expression of extreme contempt. [1913 Webster]
Every sullen frown and bitter scorn But fanned the fuel that too fast did burn. --Dryden. [1913 Webster]
3. An object of extreme disdain, contempt, or derision. [1913 Webster]
Thou makest us a reproach to our neighbors, a scorn and a derision to them that are round about us. --Ps. xliv. 13. [1913 Webster]
To think scorn, to regard as worthy of scorn or contempt; to disdain. "He thought scorn to lay hands on Mordecai alone." --Esther iii. 6.
To laugh to scorn, to deride; to make a mock of; to ridicule as contemptible. [1913 Webster]
Syn: Contempt; disdain; derision; contumely; despite; slight; dishonor; mockery. [1913 Webster]