had best
Verb
Meaning
act in one's own or everybody's best interest
Source: WordNetSynonyms
Antonyms
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Examples
You will do well to arrive on time tomorrow!
As someone who spends considerable time pounding hardly antiseptic city pavement, I didn’t have the heart to tell the women they had best wipe down their boots — and their hands — with disinfectant following a day of foot pumps.
He told me in a phone conversation that he wasn’t homophobic, that he’d been to Mardi Gras, and he’d had best friends who were gay.
Quiz: Who had best batting AVG in Sox lineup last year?