Noun

• S: (n) hang-up, hitch, rub, snag (an unforeseen obstacle)
• S: (n) rub, wipe (the act of rubbing or wiping) "he gave the hood a quick rub"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) contact, physical contact (the act of touching physically) "her fingers came in contact with the light switch"
• S: (n) touch, touching (the act of putting two things together with no space between them) "at his touch the room filled with lights"
• S: (n) act, deed, human action, human activity (something that people do or cause to happen)
• S: (n) event (something that happens at a given place and time)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form

Verb

• S: (v) rub (move over something with pressure) "rub my hands"; "rub oil into her skin"
• S: (v) rub, fray, fret, chafe, scratch (cause friction) "my sweater scratches"
• S: (v) rub, scratch, itch (scrape or rub as if to relieve itching) "Don't scratch your insect bites!"
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• sentence frame