noun

a man unduly concerned with looking stylish and fashionable.

his floppy handkerchiefs and antique cufflinks gave him the look of a dandy

fop,beau,man about town,bright young thing,glamour boy,rake,boulevardier,petit-maître,swell,toff,dude,sharp dresser,snappy dresser,natty dresser,trendy,pretty boy,blade,blood,buck,coxcomb,masher,peacock,popinjay,dapperling

adjective

excellent.

things are all fine and dandy

excellent,very good,superb,outstanding,magnificent,of high quality,of the highest quality,of the highest standard,exceptional,marvellous,wonderful,sublime,perfect,eminent,pre-eminent,matchless,peerless,supreme,first-rate,first-class,superior,superlative,splendid,admirable,worthy,sterling,fine,super,A1,ace,great,terrific,tremendous,fantastic,fab,top-notch,tip-top,class,awesome,magic,wicked,cool,out of this world,too good to be true,mind-blowing,brilliant,brill,smashing,champion,bosting,badass,awesomesauce,on fleek,beaut,bonzer,spiffing,ripping,topping,top-hole,wizard,capital,swell,bosker,applaudable,shit hot