1. Not made explicit
   "the unexpressed terms of the agreement"
   - unsaid, unstated, unuttered, unverbalized, unverbalised [Brit], unvoiced, unspoken

See also: implicit, inexplicit

• Helichrysum secundiflorum
• Helicidae
• helicoid
• helicon
• helicopter
• helicopter view
• Helicteres
• Helicteres isora
• helio-
• Heliobacter
• Heliobacter pylori
• heliocentric
• heliocentric parallax
• heliogram
• heliograph
• heliographic
• heliogravure
• heliolatry
• heliometer
• heliopause
• heliophila
• heliopsis
• Helios
• heliosphere
• heliostat