undermost
At the bottom
Undermost means lowest in position—the bottom layer or the one farthest beneath.
It functions like a superlative of under: the undermost shelf, the undermost stratum of rock.
The word is uncommon, with bottommost or lowest usually preferred in modern usage.
Lowest point or underside
- bottommostAt the lowest point
- lowestLeast in position
- nethermostAt the very bottom
- deepestSuperlative of depth
lowermost · base · floor · depths · nadir · abyss · beneath · subsurface
Person of lower rank
minor · subsidiary · secondary · ancillary · subservient · beneath · lowliest
Solid stone underground
- substrateUnderlying supporting material
- underpinningFoundational support beneath
- substratumFoundational layer beneath
- groundworkFoundational preparation for something
subfloor · base · footing · underlay · sublayer · foundation · substructure · support
bottom
Lowest point or underside
- bottommostAt the lowest point
- lowestLeast in position
- nethermostAt the very bottom
deepest · lowermost · base · floor · depths · nadir · abyss · beneath · subsurface · subterranean
underling
Person of lower rank
last · minor · subsidiary · secondary · ancillary · subservient · beneath · lowliest
bedrock
Solid stone underground
- substrateUnderlying supporting material
- underpinningFoundational support beneath
- substratumFoundational layer beneath
groundwork · subfloor · base · footing · underlay · sublayer · foundation · substructure · support
most, under, almost, underneath, utmost, underwear, undertaking, undertake, underlying