sooth /suːθ/noun 4adjective 2adverb 1forms 2 noun4 •(no longer used) Truth.In sooth, I know not why I am so sad. — 1596 •(no longer used) Reality; fact. •(no longer used) Augury; prognostication.The sooth of birds, by beating of their wings. — 1579 •(no longer used) Blandishment; cajolery. adjective2 •(no longer used) True. •(no longer used) Pleasing; delightful; sweet.The soothest shepherd that e'er pip'd on plains — 1634 adverb1 •(no longer used) In truth; indeed.That shall I sooth (said he) to you declare. — 1596 formssoother · soothest