SAT impassable Definition Not able to be passed through or across. Example "The road became impassable after the heavy snowfall." Sign in to save SAT Quiz → ← impartially impasse → Study tips featuring "impassable" Map the Author's Attitude Before Reading Questions Stop Skipping Words and Read the Tone Spot the Vocabulary Trap in Every Question Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal