utter (UHT-er)
(1 - What an utter fool I was! utterly adverb us ​)
(1 - She felt isolated and utterly alone.)
(2 - She sat through the entire meeting and didn't utter a word.)
(2 - We hope their utterances will be matched by their actions.)
a) Complete or extreme
b) To say something or make a sound with your voice
c) Isolated or alone
d) Participating actively in a meeting