1. Not financially safe or secure
   - bad, risky, speculative

See also: unsound

• perfect number
• hidden tax
• hiddenite
• hiddenness
• hide
• hide and go seek
• hide-and-seek
• hideaway
• hidebound
• Hideki Yukawa
• hideous
• hideously
• hideousness
• hideout
• hider
• hidey-hole
• Hideyo Noguchi
• hiding
• hiding place
• hidrosis
• hidrotic
• hidy-hole
• hie
• hiemal
• Hieracium