1. To an immeasurable degree; beyond measurement
   "the war left him immeasurably fearful of what man can do to man"
   - incalculably 
2. Without bounds
   - boundlessly, infinitely

See also: immeasurable

Antonym: measurably

• at first sight
• at hand
• at heart
• at home
• at issue
• at large
• at last
• at least
• at leisure
• at length
• at loggerheads
• at long last
• at most
• at odds
• at once
• at one time
• at peace
• at present
• at random
• at rest
• at sea
• at sixes and sevens
• at stake
• at that place
• at the best