adjective

trite, banal, or mawkishly sentimental.

it sounds corny, but as soon as I saw her I knew she was the one

banal,trite,hackneyed,commonplace,clichéd,predictable,stereotyped,platitudinous,inane,fatuous,vapid,jejune,weak,feeble,tired,stale,overworked,overused,well worn,mawkish,sentimental,sickly,sickly-sweet,cloying,syrupy,sugary,saccharine,honeyed,oversweet,sickening,nauseating,choking,twee,old hat,out of the ark,played out,hacky,cheesy,mushy,slushy,sloppy,schmaltzy,cutesy,cute,gooey,drippy,treacly,icky,sick-making,toe-curling,soppy,cornball,dime-store,sappy,hokey,truistic,bromidic