Antonym: complexity. Similar words: implicit, complicity, duplicity, simplify, explicit, implicate, explicitly, simplification. Meaning: [sɪm'plɪsətɪ] 
n. 1. the quality of being simple or uncompounded 2. a lack of penetration or subtlety 3. absence of affectation or pretense 4. freedom from difficulty or hardship or effort 5. lack of ornamentation.
n. 1. the quality of being simple or uncompounded 2. a lack of penetration or subtlety 3. absence of affectation or pretense 4. freedom from difficulty or hardship or effort 5. lack of ornamentation. 
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1 In a complex world,to insist upon simplicity is foolish. 
2 Mona wrote with a beautiful simplicity of style.
3 The carol has a primitive strength and haunting simplicity.
4 The advantage of the idea was its simplicity.
5 I like the simplicity of her dress.
6 Don't be fooled by the music's apparent simplicity.
7 For the sake of simplicity,(www.Sentencedict.com) let's divide the discussion into two parts.
8 A timeless comic actor—his simplicity and his apparent ease are matchless.
9 The apparent simplicity of his plot is deceptive.
10 She dressed with elegant simplicity.
11 Programming the video is simplicity itself.
12 The picture was striking in its simplicity.
13 The plan has the virtue of simplicity.
14 Her book has the cardinal virtue of simplicity.
15 He believes everything with childlike simplicity.
16 The advantage of the plan is its simplicity.
17 Simplicity is a hallmark of this design.
18 James's solution to this problem was simplicity itself .
19 The beauty of the plan consists in its simplicity.
20 Teenagers lose their childhood simplicity and naturalness.
21 Her work is a masterpiece of simplicity.
22 The document impressed me with its elegant simplicity.
23 All the ideas have a stunning simplicity.
24 His solution to the problem was simplicity itself.
25 Cleaning the light is simplicity itself; just wipe it with a cloth.
26 Like inquiry can be active thinking, like exercise can improve physique, like mountain forest can recover one's original simplicity, love alone can study hard, like wind builds muscles.
27 There are three major advantagesof the design, viz / namely cheapness, simplicity and availability.
28 'You know I love you,' she said with childlike simplicity.
29 Like so many peasant foods, the essence of pasta is its simplicity.
30 I prefer the second option - its advantages are simplicity and cheapness.
More similar words: implicit, complicity, duplicity, simplify, explicit, implicate, explicitly, simplification, implicated, duplicitous, implication, felicity, publicity, simply, simple, simpleton, implied, elicit, accomplice, complicate, solicit, illicit, complicated, complication, simple interest, illicitly, solicitor, solicitude, felicitate, solicitous.