11 letters · 18 points in Scrabble
adjective preventing movement
originEtymology tree English obstruct Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English obstructive From obstruct + -ive.
Etymology from Wiktionary, CC BY-SA 3.0