avid

As adjectives the difference between avid and sober

is that avid is enthusiastic; passionate; longing eagerly; eager; greedy while sober is not drunk; not intoxicated.

As a verb sober is

(often with up) To make or become sober.

As an adjective avid

is enthusiastic; passionate; longing eagerly; eager; greedy.

As a noun alacrity is

eagerness; liveliness; enthusiasm.

As an adjective avid

is enthusiastic; passionate; longing eagerly; eager; greedy.

As a noun webhead is

(slang) an avid user of the world wide web.

As an adjective avid

is enthusiastic; passionate; longing eagerly; eager; greedy.

As a noun twihard is

(fandom slang) an avid fan of (stephenie meyer)'s book series or the related films.