1. Spoken with poor articulation as if with a thick tongue
   "after a few drinks he was beginning to speak thickly" 
2. In a concentrated manner
   "a thickly populated area"
   - densely 
3. With a thick consistency
   - thick 
4. With thickness; in a thick manner
   "spread 1/4 lb softened margarine or cooking fat fairly thickly all over the surface"; "we were visiting a small, thickly walled and lovely town with straggling outskirt" 
5. In quick succession
   - thick

See also: thick

Antonym: thinly

• razor-sharp
• razorback
• razorback hog
• razorbacked hog
• razorbill
• razorblade
• razz
• razzamatazz
• razzing
• razzle
• striped mullet
• striped racer
• striped skunk
• striped squirrel
• striped violet
• striper
• stripes
• stripey
• striping
• stripling
• stripped
• stripped-down
• stripper
• stripper well
• stripping