cavalier
noun
[ ˌkavəˈlɪə ]
• a supporter of King Charles I in the English Civil War.
Similar:
Royalist,
king's man,
• a small spaniel of a breed with a long snout.
cavalier
adjective
• showing a lack of proper concern; offhand.
• "Anne was irritated by his cavalier attitude"
Similar:
offhand,
indifferent,
casual,
dismissive,
insouciant,
uninterested,
unconcerned,
supercilious,
patronizing,
condescending,
haughty,
arrogant,
lofty,
lordly,
disdainful,
scornful,
contemptuous,
unceremonious,
discourteous,
uncivil,
insolent,
rude,
glib,
ungracious,
perfunctory,
cursory,
curt,
abrupt,
terse,
brusque,
off,
offish,
couldn't-care-less,
take-it-or-leave-it,
pococurante,
Origin:
mid 16th century: from French, from Italian cavaliere, based on Latin caballus ‘horse’. Compare with caballero and chevalier.