uncrossable
Impossible to cross
Uncrossable describes something that cannot be crossed or traversed.
A river may be uncrossable due to flooding, a border uncrossable due to conflict.
The word often appears in figurative contexts: an uncrossable divide between the two factions, The line she had drawn was uncrossable.
The negative form emphasizes impossibility rather than mere difficulty.
Deep, steep-sided gap
- abyssImmeasurably profound depth
- precipiceSteep rock face
- gorgeDeep, narrow valley
- ravineDeep, narrow valley
crevasse · gulf · rift · fissure · quagmire · bog · swamp · marsh
Vertical enclosing structure
- moatDefensive water ditch
- chasmDeep, steep-sided gap
- abyssImmeasurably profound depth
- fortificationStrengthening defenses or nutrients
barricade · blockade · rampart · bulwark · palisade · fence · parapet · stockade
Outer edge or limit
- frontierEdge of settlement
- thresholdPoint of beginning
- demarcationFormal boundary setting
- perimeterShape's outer edge length
line · divide · limit · edge · checkpoint · no-man's-land · DMZ · partition
Cultural or social prohibition
- prohibitedOfficially not permitted
- off-limitsProhibited from access
- no-goProhibited or impossible
- restrictedLimited in scope
banned · forbidden · interdicted · verboten · unauthorized · inviolable · sacrosanct
chasm
Deep, steep-sided gap
ravine · crevasse · gulf · rift · fissure · quagmire · bog · swamp · marsh · mire
wall
Vertical enclosing structure
fortification · barricade · blockade · rampart · bulwark · palisade · fence · parapet · stockade · entrenchment
border
Outer edge or limit
- frontierEdge of settlement
- thresholdPoint of beginning
- demarcationFormal boundary setting
perimeter · line · divide · limit · edge · checkpoint · no-man's-land · DMZ · partition · cordon
taboo
Cultural or social prohibition
- prohibitedOfficially not permitted
- off-limitsProhibited from access
- no-goProhibited or impossible
restricted · banned · forbidden · interdicted · verboten · unauthorized · inviolable · sacrosanct
uncrossablecrossable
Able to be traversed
passable · traversable · fordable · bridgeable · navigable
uncrossablewide open
Fully accessible, unrestricted
unobstructed · clear · walkable · negotiable · manageable
cross, crossing, crosswalk, crossover, crosswise, crossbar, crosstown, uncross, recross