1. Necessary for relief or supply
   "provided them with all things needful"
   - needed, required, requisite

See also: necessary, needfully

• subliminal
• subliminally
• sublimity
• sublingual
• sublingual gland
• sublingual salivary gland
• sublingual vein
• subliterary
• sublittoral
• sublunar
• sublunary
• subluxate
• subluxation
• submachine gun
• submandibular
• submandibular gland
• submandibular salivary gland
• submarginal
• submarine
• submarine ball
• submarine earthquake
• submarine pitch
• submarine sandwich
• submarine torpedo
• submariner