Antonyms of adj low-altitude

1 sense of low-altitude

Sense 1
low-level, low-altitude -- (occurring at a relatively low altitude; "a low-level strafing run")

INDIRECT (VIA low) -> high -- ((literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high'); "a high mountain"; "high ceilings"; "high buildings"; "a high forehead"; "a high incline"; "a foot high")

Similarity of adj low-altitude

1 sense of low-altitude

Sense 1
low-level, low-altitude -- (occurring at a relatively low altitude; "a low-level strafing run")
       => low (vs. high) -- (literal meanings; being at or having a relatively small elevation or upward extension; "low ceilings"; "low clouds"; "low hills"; "the sun is low"; "low furniture"; "a low bow")