HackerVoca

: awkward, bulky adjective

1 something that is bulky is bigger than other things of its type and is difficult to carry or store: a bulky parcel | a new elastic that is less bulky

2 someone who is bulky is big and heavy

?bulkiness noun [uncountable] , clumsy, inconvenient
cunning : tricky, sly adjective

1 very clever in the way that you use tricks and dishonesty to get what you want: The way he did it was really sly.

2 sly smile/glance/wink etc a smile, look etc shows that you are hiding something you know from other people: She gave me a sly look.

3 on the sly informal secretly, especially when you are doing something that you should not do: They'd been seeing each other on the sly for months.

slyly adverb
slyness noun [uncountable]