lair UK /ˈlɛə̯/US /ˈlɛɚ/noun 8verb 5forms 3phrases 2 noun8 •A place inhabited by a wild animal, often a cave or a hole in the ground.O dainty dew, O morning dew / That gleamed in the world's first dawn, did you / And the sweet grass and manful oaks / Give lair and rest / To him who toadwise sits and croaks / His death-behest? — 1881 •A shed or shelter for domestic animals. •(figurative) A place inhabited by a criminal or criminals, a superhero or a supervillain; a refuge, retreat, haven or hideaway.[H]e did a little scout work, and discovered the lair of that old woman. — 1938 •(dialect, UK) A bed or resting place.Then would I in Plenty's lap, For the first time take a nap; Falling back in easy lair, Sweetly slumb'ring in my chair — 1820 •(Scotland) A grave; a cemetery plot.[…] but few knew the reason, and some thought it was because the deceased were strangers, and had no regular lair. I dressed the two bonny orphans in the best mourning at my own cost […] — 1821 •(Australia, informal) A person who dresses in a showy but tasteless manner and behaves in a vulgar and conceited way; a show-off. •(slang) A group where pickup artists meet to discuss and practise seduction techniques. •(Scotland) A bog; a mire. verb5 •(UK) To rest; to dwell.The lee-light that December gies Was lairing in the wast, Whan Christy wi' her oa claes, Was boun' to dree the blast. — 1822 •(Scotland) To mire. •(Scotland) To become mired. •(UK) To lay down. •(UK) To bury. formslaired · lairing · lairs Phrases with lair lair it upTo behave flamboyantly; to act out; to be showy. lair upTo remain in one's lair.