<p><strong>Adverb</strong></p><ul><li>without others or anything further; alone; solely; exclusively: This information is for your eyes only.</li><li>no more than; merely; just: I cook only on weekends, never on weekdays.</li><li>as recently as: I read that article only yesterday.</li><li>in the final outcome or decision: You will only regret your harsh words to me.</li></ul><p><strong>Adjective</strong></p><ul><li>being the single one or the relatively few of the kind: This is the only pencil I can find.</li><li>Synonyms: lone, solitary</li><li>Antonyms: common, plentiful</li><li>having no sibling or no sibling of the same gender: He was their only son, but they had three daughters.</li><li>single in superiority or distinction; unique; the best: the one and only Muhammad Ali.</li><li>Synonyms: exclusive, peerless</li></ul><p><strong>Conjunction</strong></p><ul><li>but (introducing a single restriction, restraining circumstance, or the like): I would have gone, only you objected.</li><li>Older Use: except; but: Only for him you would not be here.</li></ul>