Antonyms of adj claustrophobic

2 senses of claustrophobic

Sense 1
claustrophobic -- (uncomfortably closed or hemmed in; "a claustrophobic little room")

INDIRECT (VIA confined) -> unconfined -- (not confined)

Sense 2
claustrophobic -- (suffering from claustrophobia; abnormally afraid of closed-in places)

INDIRECT (VIA afraid) -> unafraid, fearless -- (oblivious of dangers or perils or calmly resolute in facing them)

Similarity of adj claustrophobic

2 senses of claustrophobic

Sense 1
claustrophobic -- (uncomfortably closed or hemmed in; "a claustrophobic little room")
       => confined (vs. unconfined) -- (not free to move about)

Sense 2
claustrophobic -- (suffering from claustrophobia; abnormally afraid of closed-in places)
       => afraid (predicate) (vs. unafraid) -- (filled with fear or apprehension; "afraid even to turn his head"; "suddenly looked afraid"; "afraid for his life"; "afraid of snakes"; "afraid to ask questions")