nounπShareA low-pitched, resonant sound, such as of an explosion."The boom of the surf."soundphysicssensationessentialChat with AIVocabulary GamePractice Reading
nounπShareA rapid expansion or increase."You should prepare for the coming boom in the tech industry."economybusinessessentialChat with AIVocabulary GamePractice Reading
nounπShareOne of the calls of certain monkeys or birds."The monkeys in the zoo made a loud boom, announcing their presence to the visitors. "animalsoundessentialChat with AIVocabulary GamePractice Reading
verbπShareTo make a loud, hollow, resonant sound."I can hear the organ slowly booming from the chapel."soundessentialChat with AIVocabulary GamePractice Reading
verbπShare(of speech) To exclaim with force, to shout, to thunder."The teacher boomed, "Quiet in the classroom!" "soundlanguagecommunicationexclamationessentialChat with AIVocabulary GamePractice Reading
verbπShareTo make something boom."Men in grey robes slowly boom the drums of death."soundbusinessessentialChat with AIVocabulary GamePractice Reading
verbπShareTo publicly praise."The teacher boomed praise for Emily's excellent presentation. "communicationlanguagemediaessentialChat with AIVocabulary GamePractice Reading
verbπShareTo rush with violence and noise, as a ship under a press of sail, before a free wind."The sailboat boomed across the lake, its sails filling with wind. "nauticalsailingsoundessentialChat with AIVocabulary GamePractice Reading
interjectionπShareUsed to suggest the sound of an explosion."Boom! The firework exploded, showering the crowd with sparks. "soundexclamationessentialChat with AIVocabulary GamePractice Reading
interjectionπShareUsed to suggest something happening suddenly and unexpectedly."Boom! The alarm clock went off, startling me awake. "soundexclamationessentialChat with AIVocabulary GamePractice Reading
nounπShareA spar extending the foot of a sail; a spar rigged outboard from a ship's side to which boats are secured in harbour."The sailboat's boom was damaged during the storm, so they had to replace it. "nauticalsailingpartessentialChat with AIVocabulary GamePractice Reading
nounπShareA movable pole used to support a microphone or camera."The presenter adjusted the boom microphone before starting the school assembly. "mediatechnologyentertainmentdeviceessentialChat with AIVocabulary GamePractice Reading
nounπShareA horizontal member of a crane or derrick, used for lifting."The crane's boom lifted the heavy box onto the truck. "technicalmachinepartbuildingessentialChat with AIVocabulary GamePractice Reading
nounπShareThe longest element of a Yagi antenna, on which the other, smaller ones are transversally mounted."The boom of the Yagi antenna was extended to maximize reception of the radio signal. "technologyelectronicscommunicationsignaldeviceessentialChat with AIVocabulary GamePractice Reading
nounπShareA floating barrier used to obstruct navigation, for military or other purposes; or used for the containment of an oil spill or to control the flow of logs from logging operations."The logging company deployed a boom across the river to contain the logs. "nauticalmilitaryenvironmenttechnologystructureessentialChat with AIVocabulary GamePractice Reading
nounπShareA wishbone-shaped piece of windsurfing equipment."The windsurfer carefully adjusted the boom before heading out to the lake. "sportnauticalsailingessentialChat with AIVocabulary GamePractice Reading
nounπShareThe section of the arm on a backhoe closest to the tractor."The backhoe operator carefully adjusted the boom to lift the heavy rock. "machineparttechnicalessentialChat with AIVocabulary GamePractice Reading
nounπShareA gymnastics apparatus similar to a balance beam."The gymnast practiced her routine on the boom, carefully balancing on its narrow surface. "sportentertainmentessentialChat with AIVocabulary GamePractice Reading
verbπShareTo extend, or push, with a boom or pole."to boom off a boat"technicalnauticalactionessentialChat with AIVocabulary GamePractice Reading
verbπShare(usually with "up" or "down") To raise or lower with a crane boom."The construction workers used the crane to boom the heavy beam up to the top of the building. "technicalmachinebuildingessentialChat with AIVocabulary GamePractice Reading
nounπShareA period of prosperity, growth, progress, or high market activity."The new school's enrollment experienced a boom in the first year. "businesseconomyachievementessentialChat with AIVocabulary GamePractice Reading
verbπShareTo flourish, grow, or progress."Business was booming."businesseconomyessentialChat with AIVocabulary GamePractice Reading
verbπShareTo cause to advance rapidly in price."to boom railroad or mining shares"businesseconomyessentialChat with AIVocabulary GamePractice Reading
