Synonyms for Substructure:

• n.

  •
  • frame,
  • rafter,
  • scaffold,
  • support,
  • joist,
  • stanchion,
  • buttress,
  • framework,
  • gantry.
  •
  • part.
  •base (noun)
  • bedrock,
  • stand,
  • root,
  • ground,
  • seating,
  • bed,
  • seat,
  • rest.
  •basement (noun)
  • crypt,
  • cellar,
  • excavation,
  • storage,
  • vault.
  •body (noun)
  • core,
  • mass,
  • assembly,
  • pith,
  • Gravamen,
  • staple,
  • box,
  • essence,
  • material,
  • trunk,
  • chassis,
  • corpus,
  • majority,
  • matter,
  • hull,
  • gist,
  • skeleton,
  • substance,
  • crux,
  • total.
  •bottom (noun)
  • pediment,
  • undersurface,
  • under side,
  • nadir,
  • terra firma,
  • floor,
  • lowest part,
  • depths,
  • underbelly,
  • deepest part,
  • under-sides,
  • underneath,
  • soles,
  • belly,
  • sole,
  • nether portion,
  • underbellies,
  • underside.
  •footing (noun)
  • foothold,
  • establishment,
  • installation,
  • settlement,
  • warrant.
  •foundation (noun)
  • basics,
  • bottom line,
  • abcs,
  • nub,
  • justification,
  • guts,
  • reason,
  • heart,
  • brass tacks,
  • stay,
  • authority,
  • prop.
  •fundament (noun)
  • fundament.
  •pedestal (noun)
  • podium,
  • mountings,
  • plinths.
  •preparation (noun)
  • alertness,
  • lead time,
  • training,
  • construction,
  • preparedness,
  • dry run,
  • provision,
  • expectation,
  • measure,
  • foresight,
  • manufacture,
  • incubations,
  • evolution,
  • getting ready,
  • making ready,
  • build-up,
  • rundown,
  • tryout,
  • build-ups,
  • readying,
  • plan,
  • workout,
  • arrangement,
  • anticipation,
  • Preparing,
  • study,
  • background,
  • qualification,
  • education,
  • schoolwork,
  • gestation,
  • rehearsal,
  • safeguard,
  • incubation,
  • precaution,
  • homeworks,
  • putting in order,
  • homework,
  • formation.
  •support (noun)
  • stiffeners,
  • block,
  • stave,
  • flotations,
  • guide,
  • stilt,
  • lining,
  • pole,
  • collar,
  • timber,
  • means,
  • back,
  • stilts,
  • backing,
  • Fulcra,
  • rod,
  • post,
  • stiffener,
  • rib,
  • rampart,
  • Fulcrums,
  • shore,
  • fulcrum,
  • flotation,
  • agency,
  • stake,
  • sustentation,
  • medium,
  • abutment,
  • device.
  •underpinning (noun)
  • under-pinning,
  • under pinning.

• Other synonyms:

  •
  • fragment,
  • remnant,
  • subsection,
  • singleton.
  •
  • subdivision,
  • continuation.
  •
  • bit,
  • area,
  • fitting,
  • portion,
  • segment.
  •
  • cell,
  • companion,
  • piece,
  • mate.
  •
  • detail.
  •
  • unit.
  •
  • section.
  •Other relevant words:
  • column,
  • pocket,
  • socle,
  • guy,
  • raft foundation,
  • flag,
  • metrical foot,
  • radical,
  • reinforcement,
  • substrate,
  • principle,
  • truss,
  • hind end,
  • buttocks,
  • pes,
  • bearing wall,
  • tail,
  • guy wire,
  • hold,
  • theme,
  • rock bottom,
  • founding,
  • cornerstone,
  • platform,
  • house,
  • al-Qa'ida,
  • animal foot,
  • mounting,
  • ground floor,
  • prat,
  • infantry,
  • dado,
  • supporter,
  • creation,
  • undercarriage,
  • paving,
  • posterior,
  • Riprap,
  • pillar,
  • home,
  • nucleotide,
  • stem,
  • backside,
  • hindquarters,
  • instauration,
  • bag,
  • solid ground,
  • earth,
  • radix,
  • strut,
  • place,
  • bum,
  • Carped,
  • pavement,
  • grounding,
  • Substruction,
  • pier,
  • shadow,
  • solid rock,
  • butt,
  • plinth,
  • behind,
  • structure,
  • Stylobate,
  • hardpan,
  • brace,
  • buns,
  • tail end,
  • inception,
  • nates,
  • bolster,
  • Underlayer,
  • alkali,
  • keister,
  • undergirding,
  • human foot,
  • derriere,
  • wainscot,
  • rear,
  • origination,
  • institution,
  • stern,
  • arse,
  • ft,
  • metrical unit,
  • bilge,
  • beam,
  • fond,
  • Stereobate,
  • ass,
  • fanny,
  • can,
  • rump,
  • base of operations,
  • tush,
  • sill,
  • mopboard,
  • flooring,
  • invertebrate foot,
  • baseboard,
  • fundamental,
  • grounds,
  • foundation garment,
  • mainstay,
  • deck,
  • earthworks,
  • initiation,
  • bedding,
  • root word,
  • rudiment.

Paraphrases for Substructure:

• Independent

  • Noun, singular or mass
    infrastructure, subgrade.

Antonyms for Substructure:

• n.

  • base
    annex, top, branch.
  • basement
    attic.
  • body
    abstract, nothing, immateriality, inanimate, individual, nothingness, one, part, spirit, mind, thought, concept, soul, fantasy.
  • bottom
    ceiling, Exteriority, outside.
  • foundation
    cowardice, fear, exterior.
  • preparation
    ignorance, Unreadiness, ingredient.
  • support
    discouragement, disapproval, frustration, opposition, stop.