Word for "blissfully oblivious"? [closed]

Solution 1:

A Lotus Eater .

1. Classical Mythology. a member of a people whom Odysseus found existing in a state of languorous forgetfulness induced by their eating of the fruit of the legendary lotus; one of the lotophagi.
2. a person who leads a life of dreamy, indolent ease, indifferent to the busy world; daydreamer.

Solution 2:

An idiomatic phrase for this is blissfully unaware.

Ngram: blissfully unaware.

Solution 3:

Consider head in the clouds

guided by whim and fancy

thefreedictionary.com

However,this term has a connotation of flighty, which may not be considered positive.

A similar concept is on cloud nine

elated; very happy

Collins

Solution 4:

Out to lunch.

1. Informal
   Unaware of or inattentive to present conditions.

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