1. Being or marked by or containing or functioning as a consonant
   "consonantal sounds"; "a consonantal Hebrew text"; "consonantal alliteration"; "a consonantal cluster" 
2. Relating to or having the nature of a consonant

See also: consonant

Antonym: vocalic

• onion
• onion bagel
• onion bread
• onion butter
• onion dome
• onion louse
• onion mildew
• onion plant
• onion roll
• onion salt
• onion smut
• onion stem
• onion thrips
• onion yellow dwarf
• onion yellow-dwarf virus
• onionskin
• Oniscidae
• Oniscus
• online
• onlooker
• onlooking
• only
• only if
• only too
• only when