Ranked by relevance and common usage.
Keep "spacer" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "spacer" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "spacer", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "spacer" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
5 total sentences available.
The New York research team was able to send the Cas9 enzyme to locate and destroy a target within a particular strain of a harmful bacteria by engineering the CRISPR spacer sequences so that it matched the “bad microbe’s” genes.
Source: tatoeba (11248073)
It was the futile throwing back in the face of the Spacers their most keenly felt insult: their insistence on considering the natives of Earth as disgustingly diseased.
Source: wiktionary
"How do I know I can trust you?" asked BKR. Grakker hesitated. "Spacer's oath," he said at last.
Source: wiktionary
Shepard: What are you running for? Charles Saracino: I'm seeking one of the five spacer seats in Parliament. They have certain baroque conditions for a citizen to be able to vote for them. Charles Saracino: You have to spend more than six months a year in space. But you can't have stayed in any one settled system for more than a month.
Source: wiktionary
Showing 4 of 5 available sentences.
Closest matches include backspacer, bead spacer, distance piece, gap filling, linker.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.