Antonym: cry. Similar words: manslaughter, burst into laughter, daughter, granddaughter, onslaught, laugh, laugh at, laughing. Meaning: ['læftə(r) /'lɑː-] 
n. 1. the sound of laughing 2. the activity of laughing; the manifestation of joy or mirth or scorn.
n. 1. the sound of laughing 2. the activity of laughing; the manifestation of joy or mirth or scorn. 
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1 Laughter is the best medicine.
2 He had the audience hooting with laughter.
3 His words were swamped by the laughter.
4 Simon waited until the laughter subsided.
5 She gave a great bellow of laughter.
6 She could not conceal a snort of laughter.
7 He gave a low gurgle of laughter.
8 His suggestion was greeted with hoots of laughter.
9 There is a murmur of appreciative laughter.
10 His hysterical laughter made everybody stunned.
11 The cinema rang with the children's laughter.
12 He could coax tears and laughter from his audience.
13 May your birthday be filled with smiles,sunshine,love(sentencedict.com),and laughter.
14 He burst into peals of laughter.
15 Better the last smile than the first laughter.
16 They were all shrieking with laughter.
17 They laugh so hard they double up with laughter.
18 Hoots of laughter rose from the audience.
19 From the house come the bursts of merry laughter.
20 Laughter resounded through the house.
21 Her face crumpled with laughter.
22 We heard laughter in the adjoining room.
23 Laughter was a rare occurrence in his classroom.
24 Donot delay anything that adds laughter and joyt oyourlife.
25 What you need is a good dose of laughter.
26 The old woman gave a cackle of laughter.
27 A day without laughter is a day wasted.
28 The audience was shrieking with laughter.
29 I heard sounds of raucous laughter upstairs.
30 Soorow is at parting if at meeting there be laughter. 
More similar words: manslaughter, burst into laughter, daughter, granddaughter, onslaught, laugh, laugh at, laughing, laughable, taught, naught, caught, fraught, haughty, naughty, burst out laughing, haughtily, distraught, haughtiness, come to naught, fighter, firefighter, tighten, lighten, high tech, frighten, eighteen, blighted, brighten, delighted.