The word 'aheads' implies propelling forward or moving ahead of time. Therefore, its antonyms are the words that denote backward movement or delays. Some of the primary antonyms for the term 'aheads' are behind, slow, stay, stop, detain, and postpone. While the word 'behind' means in the rear or after, 'slow' implies not moving quickly or lack of speed. 'Stay' denotes remaining in the same place, while 'stop' means to bring to an end or halt the progress. 'Detain' suggests holding back or restricting movement, and 'postpone' refers to delaying or rescheduling. Knowing the antonyms for 'aheads' will enable you to communicate effectively in writing and speaking, depending on the context.