at sea vs confused

at sea and confused both are adjectives.

Word	Noun	Adjective	Verb	Adverb
at sea	No	Yes	No	No
confused	No	Yes	No	No

As adjectives, at sea and confused are synonyms defined as:

at sea and confused: perplexed by many conflicting situations or statements; filled with bewilderment

Other synonyms of at sea include baffled, befuddled, bemused, bewildered, confounded, lost, mazed, mixed-up.

at sea (adjective)	confused (adjective)
perplexed by many conflicting situations or statements; filled with bewilderment	mentally confused; unable to think with clarity or act intelligently
	thrown into a state of disarray or confusion
	lacking orderly continuity
	perplexed by many conflicting situations or statements; filled with bewilderment
	having lost your bearings; confused as to time or place or personal identity