drone
[verb]
Synonyms:
- hum, buzz, purr, thrum, vibrate, whirr
- drone on: speak monotonously, be boring, chant, intone, spout, talk interminably
[noun]
Synonyms:
- hum, buzz, murmuring, purr, thrum, vibration, whirring

[TahlilGaran] English Synonym Dictionary ▲

I. drone¹ /drəʊn $ droʊn/ verb [intransitive]
to make a continuous low dull sound:
An airplane droned overhead.
drone on phrasal verb
to speak in a boring way, usually for a long time
drone on about
Tom was droning on about work.

[TahlilGaran] Dictionary of Contemporary English ▲

II. drone² noun
[Language: Old English; Origin: dran 'male bee']

1. [singular] a continuous low dull sound
drone of
the steady drone of traffic

2. [countable] a male bee that does no work

3. [countable] someone who has a good life but does not work to earn it or give anything back to society

4. [countable] technical old-fashioned an aircraft that does not have a pilot, but is operated by radio

[TahlilGaran] Dictionary of Contemporary English ▲

drone
noun
ADJ. faint | low | distant | constant, continuous, steady
VERB + DRONE hear
PREP. with a ~ The planes flew overhead with a low drone.
~ of the continuous drone of the engine

[TahlilGaran] Collocations Dictionary ▲