#1
hum v. sing with closed lips; "She hummed a melody"
. wn #2
hum n. [
busyness] the state of being or appearing to be actively engaged in an activity; "they manifested all the busyness of a pack of beavers"; "there is a constant hum of military preparation"
. wn #3
hum n. [
Harkat-ul-Mujahidin, HUM, Harkat ul-Ansar, HUA, Harkat ul-Mujahedeen, Al Faran, Movement of Holy Warriors] an Islamic fundamentalist group in Pakistan that fought the Soviet Union in Afghanistan in the 1980s; now operates as a terrorist organization primarily in Kashmir and seeks Kashmir's accession by Pakistan
. wn #4
hum v. [
buzz, seethe] be noisy with activity; "This office is buzzing with activity"
. wn #5
hum n. [
humming] a humming noise; "the hum of distant traffic"
. wn