OBSTACLE

Before
1: S
main, chief, sole, huge, real, slight, no, great, big, worst, last, key, prime, foot, third, fourth, first, next, one, this
2: SU
biggest, greatest, serious, major, slightest, fatal, every, bigger, largest, minor, final, obvious, crucial, legal, greater, second, further, solid, natural, single, highest, only, basic, moving, common
2: US
severe
3: SUU
serious, principal, every, primary, dangerous, powerful, obvious, difficult, permanent, practical, natural, technical, physical, possible, critical, effective
3: USU
substantial, tremendous, another, decisive, enormous, remaining, potential, immediate, important, apparent, external, initial, effective, internal
3: UUS
unforeseen
4: SUUU
formidable, temporary
4: USUU
formidable, impassable, invincible, immovable, significant, additional, immediate, particular
4: UUSU
unexpected, overwhelming, fundamental
5: USUUU
insuperable, unnecessary, considerable
5: UUSUU
unsurmountable, insurmountable, constitutional, psychological
After
1: S
course, posed, race, faced, lies, stands, height, placed, stood, lay, towards, which
2: SU
clearance, blocking, courses, facing, boundary, standing
2: US
arose, exists, remained, removed, remains, between, appears, towards, against
3: SUU
boundary
3: USU
avoidance, preventing, confronting, detection, encountered, arises, presented
Surrounder Phrases
barring unforeseen, major, furtherau fait, grand, wirefait faire, auevery conceivable, single, possiblecircular cylindrical, array, tank, wire, boundaryformidable array, intellectual, technicalcylindrical tank, wire, array, blocksboundaries separating, betweensubmerged underwaterdeadly serious, dangerousgeographical boundaries, races, boundaryboundary separating, between, detection, marksfaire au, principlevertical spacing, cylindrical, clearance, height, wiredaunting arraylay ahead, aside, hidden, submerged, nearestdouble spacinglies ahead, hidden, between, nearest, submergedpreventing deadly, unnecessary, further, sudden, seriousveritable giantremains constant, stationary, opaque, hidden, invisible, unseen, immovable, impenetrable, fixed, submerged, intractableremained immovable, stationary, constant, standing, hidden, intractable, impenetrable, submerged, invisible, unseen, fixed, stubborn, opaquethrown asidefundamental principle, epistemological, constitutional, methodological, structural, conceptual, ideological, theoretical, proceduraloverriding principle, governmentalrigid boundaries, bureaucratic, spherical, cylindrical, boundary, ideological, tank, circular, internal, blocks, structural, solidspacing betweensudden unexpected, flight, overwhelming, severemoving towards, ahead, belt, boundaryfourth largest, fifthsmallest conceivable, possible, primesecond largest, highest, biggestpersistent avoidance, severesole remaining, legalfifth largeststood facing, aside, immovable, rigid, confronting, nextunderwater detectionimposing array, unnecessary, rigid, severe, additional, height, artificial, substantialsevere intractable, persistent, psychological, physicalfaced insurmountable, daunting, formidable, severe, serious, enormous, tremendous, toughbasic principle, structural, epistemological, methodological, conceptual, constitutional, anatomical, procedural, theoreticalmain courseslargest single, possible, remainingexists between, onlyimmovable raceanatomic boundariesprimary keyprevents unnecessary, furtherworst possible, conceivabletremendous potential, psychological, intellectual, arraythird largestartificial boundaries, boundaryunnecessary bureaucraticserious methodological, psychological, physicalpermanent virtualspherical tank, boundary, solidexisted betweenenormous potential, array, blocks, bureaucratic, height, circularmethodological principlewire spacinghuge blocks, array, underwater, circular, cylindrical, bureaucratic, tankstrongest possible, marksinsurmountable technicalremaining stationary, constant, unseen, submerged, invisiblehighest conceivable, possible, marksfoot races, foremost, clearance, spacingsolid cylindrical, blocks, spherical, circular, boundary, blocking, theoretical, wiregreatest conceivable, possible, potential, height, singleprofound epistemological, psychological, ideological, structural, intellectualimmense height, potential, array, practical, blocks, circular, intellectualbiggest singlemere mechanical, intellectual, physical, geographical, temporary, procedural, avoidance, logical, technicalmighty tough, giant, big, raceposed formidable, serious, grave, enormousdefinite boundaries, geographical, boundaryconstitutional principleinvisible boundary, boundaries, wire, giantsubstantial governmental, additionalsingle biggest, largest, overriding, spacing, greatest, wireconceptual boundariesanatomical boundariesappeared insurmountable, invinciblechallenging coursesepistemological principle, boundariespresents formidablestanding next, aside, facingmassive blocks, bureaucratic, governmental, arraystands facing, foremost, asidefurther impeding, hinderingconsiderable height, potential, methodological, practical, theoreticaloverwhelming arrayideological boundariesone another, footminor key, procedural, thirdexternal tank, boundaries, boundarypotent ideologicalfirst appeared, encounteredarray detectionparticular geographicalunforeseen technicalimmediate practicalovercome bureaucratic, formidableno insuperable, definite, significant, apparent, one, conceivable, further, bigger, realwhich preventsinstitutional boundariespowerful ideological, bureaucraticabsolute worstflight clearancemajor structural, methodological, theoretical, anatomicintervening betweenclearance between, heightgenuine intellectualfacing tough, serious, severe, towardsimportant methodological, anatomiccrucial epistemological, methodological, interveninglast remainingnext logical, largest, highestfixed boundaries, boundarycritical raceraces aheadpotential exists, inherentencountered unexpected, formidable, considerable, serious, severeinherent methodological, structuralintellectual giantobvious anatomicalarose betweentechnical coursesprincipal chiefanother importantperpetual flightcontinuing legalahead laylegal standing, principlewhatsoever existsphysical boundariesultimate principlegrave constitutionalstationary boundaryonly one, temporary, conceivable, minoragainst unforeseen, overwhelmingfresh gravebig footnearest footfatal flightpossible coursesadditional proceduralforemost intellectualnatural boundariessignificant methodological, structuralgreat heightkey methodologicaleffective againsttowards greaterunfortunate raceinvincible againstinternal boundarieslogical blocks