Synonym: 1, I, ace, ane, i, matchless, nonpareil, one and only, one, peerless, single, unitary, unity, unmatchable, unmatched, unrivaled, unrivalled. Similar words: done, on, once, tone, zone, on end, age, and. Meaning: [wʌn] 
n. 1. the smallest whole number or a numeral representing this number 2. a single person or thing. adj. 1. used of a single unit or thing; not two or more 2. having the indivisible character of a unit 3. of the same kind or quality 4. used informally as an intensifier 5. indefinite in time or position 6. being a single entity made by combining separate components 7. eminent beyond or above comparison.
n. 1. the smallest whole number or a numeral representing this number 2. a single person or thing. adj. 1. used of a single unit or thing; not two or more 2. having the indivisible character of a unit 3. of the same kind or quality 4. used informally as an intensifier 5. indefinite in time or position 6. being a single entity made by combining separate components 7. eminent beyond or above comparison. 
Random good picture Not show
1. One barking dog sets all street a-barking. 
2. One mischief [misfortune] comes on the neck of another.
3. One year's seeding makes seven years weeding.
4. One lining broken, the whole chain is broken.
5. Beware of a man of one book.
6. Rome was not built in a (or one) day.
7. Better one suffer, than a nation grieve.
8. Gain got by a lie will burn one’s fingers.
9. One cannot eat one's cake and have it.
10. One honest word is better than two oaths.
11. One rotten apple spoils the whole barrel.
12. An oak is not felled at one stroke.
13. Venture a small fish to catch a great one.
14. Take the world as one finds it.
15. Honour and profit lie not in one sack.
16. Don't put all your eggs in one basket.
17. No one can disgrace us but ourselves.
18. Many heads are better than one.
18. Wish you will love sentencedict.com and make progress everyday!
19. One lie needs seven lies to wait upon it.
20. Many one says well that thinks ill.
21. Lie in (oron) the bed one has made.
22. Two dogs over one bone seldom agree.
23. Many friends in general, one in special.
24. One must drink as one brews.
25. Friendship should not be all on one side.
26. No one wise at all times.
27. Pride is the mask of one’s own faults.
28. One who never made a mistake, never made anything.
29. Cry with one eye and laugh with the other.
30. Between two stools one goes to the ground.