| Word | Definitions | Synonyms |
|---|---|---|
| ally | (noun) a friendly nation | - |
| (noun) an associate who provides cooperation or assistance | Synonyms: friend | |
| (verb) become an ally or associate, as by a treaty or marriage | - | |
| allyl | (noun) the univalent unsaturated organic radical C3H5; derived from propylene | Synonyms: allyl group, allyl radical |
| allylic | (adjective) of or pertaining to the allyl radical | - |