How to pronounce source

1 : a cause or starting point the source of a rumor. 2 : the beginning of a stream of water the source of the Nile River. 3 : someone or something that supplies information a reference source. 4 : someone or something that provides what is needed a source of supplies a source of strength.

When the T and D sounds come between two other consonant sounds, many Americans will drop them. But when we add the -ly ending, it now comes between two consonants. You’ll hear a lot of native speakers say ‘exactly‘, with no T sound. Exactly, exactly.