1. (v.t.)rub to subject (something) to pressure and friction, as in cleaning, polishing, or massaging; move one thing back and forth or with a rotary motion along the surface of (something else).
2. rub to move, spread, or apply with pressure and friction over something: to rub lotion on chapped hands.
3. rub to move (two things) with pressure and friction over each other: He rubbed his hands together.
4. rub to force (something) by pressure and friction (fol. by in or into).
5. rub to make sore from friction.
6. rub to remove or erase by pressure and friction (often fol. by off or out).
7. (v.i.)rub to exert pressure and friction on something.
8. rub to move with pressure against something.
9. rub to admit of being rubbed in a specified manner: Chalk rubs off easily.
10. rub to smooth, polish, or clean by rubbing.
11. rub to massage.
12. rub to obliterate; erase.
13. rub Slang. to murder.
14. (n.)rub an act or instance of rubbing: an alcohol rub.
15. rub something that annoys or irritates one's feelings.
16. rub an annoying experience or circumstance.
17. rub an obstacle or difficulty.
18. rub a rough or abraded area caused by rubbing.
Definition of 'rub'
Princeton's WordNet
1. (noun)hang-up, hitch, rub, snag an unforeseen obstacle
2. (verb)rub, wipe the act of rubbing or wiping "he gave the hood a quick rub"
3. (verb)rub move over something with pressure "rub my hands"; "rub oil into her skin"
4. (verb)rub, fray, fret, chafe, scratch cause friction "my sweater scratches"
5. (verb)rub, scratch, itch scrape or rub as if to relieve itching "Don't scratch your insect bites!"
1. (verb)rub to move sth backward and forward over the surface of sth He rubbed his leg where he had hit it.; She rubbed the mark off her cheek.
2. rub to move backward and forward against sth The cat rubbed itself against her legs.; My new shoes are rubbing on my heel.
3. (noun)rub an of rubbing Here, let me give your back a rub.
Definition of 'rub'
Webster Dictionary
1. (noun)rub the act of rubbing; friction
2. (noun)rub that which rubs; that which tends to hinder or obstruct motion or progress; hindrance; obstruction, an impediment; especially, a difficulty or obstruction hard to overcome; a pinch
3. (noun)rub inequality of surface, as of the ground in the game of bowls; unevenness
4. (noun)rub something grating to the feelings; sarcasm; joke; as, a hard rub
5. (noun)rub imperfection; failing; fault
6. (noun)rub a chance
7. (noun)rub a stone, commonly flat, used to sharpen cutting tools; a whetstone; -- called also rubstone
8. (verb)rub to subject (a body) to the action of something moving over its surface with pressure and friction, especially to the action of something moving back and forth; as, to rub the flesh with the hand; to rub wood with sandpaper
9. (verb)rub to move over the surface of (a body) with pressure and friction; to graze; to chafe; as, the boat rubs the ground
10. (verb)rub to cause (a body) to move with pressure and friction along a surface; as, to rub the hand over the body
11. (verb)rub to spread a substance thinly over; to smear
12. (verb)rub to scour; to burnish; to polish; to brighten; to cleanse; -- often with up or over; as, to rub up silver
13. (verb)rub to hinder; to cross; to thwart
14. (verb)rub to move along the surface of a body with pressure; to grate; as, a wheel rubs against the gatepost
15. (verb)rub to fret; to chafe; as, to rub upon a sore
16. (verb)rub to move or pass with difficulty; as, to rub through woods, as huntsmen; to rub through the world
Sense: to move against the surface of something else, pressing at the same time He rubbed his eyes; The horse rubbed its head against my shoulder; The back of the shoe is rubbing against my heel.
Definitions of rub 
Afrikaans: vryf
Arabic: يَحُك
Bulgarian: трия (се)
Brazilian: esfregar
Czech: třít (se), dřít (se)
German: reiben
Danish: gnide; gnave
Greek: τρίβω, τρίβομαι
Spanish: restregar, frotar
Estonian: hõõruma
Farsi: ماش دادن؛ اصطحکاک دادن
Finnish: hangata
French: frotter
Hebrew: לְשַפשֵף
Hindi: रगड़ना, घिसना, रगड़, मलना
Croatian: trljati, polirati
Hungarian: dörzsöl
Indonesian: menggosok
Icelandic: nudda, strjúka, núa
Italian: strofinare
Japanese: こする
Korean: 문지르다
Lithuanian: trinti
Latvian: berzt; []berzēt; berzties
Malay: menggosok
Dutch: wrijven
Norwegian: gni; skubbe; gnage
Polish: trzeć
Persian: ماش دادن؛ اصطحکاک دادن
Pashto: اصطاک ورکول
Portuguese: esfregar
Romanian: a (se) freca
Russian: тереть(ся)
Slovak: trieť (sa), šúchať (sa)
Slovenian: drgniti
Serbian: trljati
Swedish: gnida, gno, gnugga, skava
Thai: นวด
Turkish: sürtmek, ov(ala)mak
Taiwanese: 磨擦
Ukrainian: терти(ся)
Urdu: رگڑنا
Vietnamese: cọ; rụi
Chinese: 磨擦
