Ranked by relevance and common usage.
Keep "altho" 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 "altho" 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 "altho", 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 "altho" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
4 total sentences available.
Altho this substitution of assonance for rime is uncommon in the more literary lyrics, which we may suppose to have been composed with the pen, it is still frequently to be found in the popular song, born on the lips of the singer, and set down in black and white only as an afterthought.
Source: tatoeba (12179827)
This is a pitiful defence, for ’tis certain there are people who are not judged to be praiſe-worthy altho they be praiſed by others: […]
Source: wiktionary
Altho the major TV webs — NBC and CBS — may fall in line soon, an agreement may possibly be held up by the opposition of DuMont […]
Source: wiktionary
The Usefull, the mechanic Arts, are those which We have occasion for in a young Country, as yet simple and not far advanced in Luxury, altho perhaps much too far for her Age and Character.
Source: wiktionary
Closest matches include although, even though.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.