| alternately | (adverb) in an alternating sequence or position | - |
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| alternatively | (adverb) in place of, or as an alternative to | Synonyms: instead, or else |
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| astern | (adverb) (of a ship or an airplane) behind | - |
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| (adverb) at or near or toward the stern of a ship or tail of an airplane | Synonyms: abaft, aft |
| (adverb) stern foremost or backward | - |
| concernedly | (adverb) in a manner showing concern | - |
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| eternally | (adverb) for a limitless time | Synonyms: everlastingly, evermore, forever |
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| externally | (adverb) with respect to the outside | Synonyms: outwardly |
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| (adverb) on or from the outside | - |
| fraternally | (adverb) in a brotherly manner | - |
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| governmentally | (adverb) by government | - |
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| infernally | (adverb) diabolically | Synonyms: hellishly |
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| internally | (adverb) on or from the inside | - |
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| internationally | (adverb) worldwide | Synonyms: globally |
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| maternally | (adverb) in a maternal manner; as a mother | Synonyms: motherly |
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| overnight | (adverb) during or for the length of one night | - |
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| (adverb) happening in a short time or with great speed | - |
| paternally | (adverb) in a paternal manner | - |
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| perniciously | (adverb) in a noxiously baneful way | Synonyms: banefully |
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| (adverb) in a harmfully insidious manner | Synonyms: insidiously |
| preternaturally | (adverb) in a supernatural manner | Synonyms: supernaturally |
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| sternly | (adverb) with sternness; in a severe manner | Synonyms: severely |
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| supernaturally | (adverb) in a supernatural manner | Synonyms: preternaturally |
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| unconcernedly | (adverb) in an indifferent manner | - |
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| underneath | (adverb) under or below an object or a surface; at a lower place or level; directly beneath | - |
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| (adverb) on the lower or downward side; on the underside of | - |