Definitions

1. adjective

relating to or administered under the tongue

“The doctor prescribed a sublingual medication to help with the patient’s symptoms.”

2. noun

a drug or other substance that is administered under the tongue

“She inserted a sublingual tablet into her mouth to relieve her headache.”

3. adverb

in a manner that is related to or administered under the tongue

“The doctor administered the medicine sublingually to the patient.”