| abrade | (verb) wear away | Synonyms: abrase, corrade, rub down, rub off |
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| (verb) rub hard or scrub | Synonyms: scour |
| aggrade | (verb) build up to a level by depositing sediment | - |
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| biodegrade | (verb) break down naturally through the action of biological agents | - |
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| corrade | (verb) wear away | Synonyms: abrade, abrase, rub down, rub off |
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| degrade | (verb) lower the grade of something; reduce its worth | Synonyms: cheapen |
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| (verb) reduce the level of land, as by erosion | - |
| (verb) reduce in worth or character, usually verbally | Synonyms: demean, disgrace, put down, take down |
| downgrade | (verb) rate lower; lower in value or esteem | - |
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| grade | (verb) determine the grade of or assign a grade to | - |
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| (verb) assign a rank or rating to | Synonyms: order, place, range, rank, rate |
| (verb) assign a grade or rank to, according to one's evaluation | Synonyms: mark, score |
| (verb) level to the right gradient | - |
| masquerade | (verb) pretend to be someone or something that you are not | - |
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| (verb) take part in a masquerade | - |
| parade | (verb) march in a procession in a public place | Synonyms: promenade, troop |
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| (verb) walk ostentatiously | Synonyms: exhibit, march |
| retrograde | (verb) get worse or fall back to a previous condition | Synonyms: regress, retrogress |
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| (verb) go back over | Synonyms: hash over, rehash |
| (verb) move back | Synonyms: retreat |
| (verb) move in a direction contrary to the usual one | - |
| (verb) move backward in an orbit, of celestial bodies | - |
| trade | (verb) turn in as payment or part payment for a purchase | Synonyms: trade in |
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| (verb) engage in the trade of | Synonyms: merchandise |
| (verb) exchange or give (something) in exchange for | Synonyms: swap, switch, swop |
| (verb) do business; offer for sale as for one's livelihood | Synonyms: deal, sell |
| (verb) be traded at a certain price or under certain conditions | - |
| upgrade | (verb) to improve what was old or outdated | - |
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| (verb) give better travel conditions to | - |
| (verb) get better travel conditions | - |
| (verb) rate higher; raise in value or esteem | - |
| (verb) give a promotion to or assign to a higher position | Synonyms: advance, elevate, kick upstairs, promote, raise |