humming /ˈhʌmɪŋ/adjective 3noun 1forms 3 adjective3 •Making a hum sound. •(UK, slang) Very bad-smelling. •(no longer used) Of ale or beer: very strong.But at night crowds of visitors called at his cot, / For he told a right marvellous tale; / Yet a stronger attraction by chance he had got, / A barrel of old humming ale. — 1889 noun1 •The sound of something that hums; a hum.There are some contemporary additions to these scattered fragments from Shakespeare. Mostly they are songs; sometimes they are various screechings and hummings[…] — 1969 formshummings · more humming · most humming