Anagrams of: SUBSTERNAL

• a British commissioned army officer below the rank of captain

• inferior in rank or status

• a railing at the side of a staircase or balcony to prevent people from falling

• lacking stability or fixity or firmness

• highly or violently reactive

• affording no ease or reassurance

• suffering from severe mental illness

• disposed to psychological variability

• subject to change; variable

• difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge

• a workman employed to blast with explosives

• one of a number of closely spaced supports for a railing

• noisy confusion and turbulence

• a swaggering show of courage

• a violent gusty wind

• vain and empty boasting

• blow hard; be gusty, as of wind

• show off

• act in an arrogant, overly self-assured, or conceited manner