rascally
UK[ˈrɑːskəli]US[ˈræskəli]
adj
(of a person or their behavior) playfully mischievous or dishonest in a way that is not seriously harmful.
Morpheme Breakdown
rascal
ly
rascal
ly
having the qualities of
Etymology
the word 'rascally' is formed by adding the adjectival suffix '-ly' to the noun 'rascal'. the core noun 'rascal' entered middle english from old french rascaille, which referred to the rabble or common populace, often with a derogatory connotation. its ultimate origin is obscure but may be linked to a vulgar latin verb related to scraping or scratching, metaphorically extending to people of low status. over time, 'rascal' softened from describing a vicious rogue to a mischievous or cheeky person, and 'rascally' formally encodes this characteristic as an adjective, denoting a playful or petty dishonesty.
Analysis
Structure: rascal + ly
rascal (from old french rascaille, meaning "rabble, mob", of uncertain origin, possibly from vulgar latin rasicare "to scrape") + ly (from old english -līc, an adjectival suffix meaning "having the qualities of").
Examples
he gave a rascally grin before revealing his harmless prank.
the film's hero is a charming but rascally thief with a heart of gold.
their rascally behavior, like hiding the teacher's chalk, was more amusing than troublesome.