What does “c’est aberrant” mean in French?

Recette de quiche au thon complètement aberrante

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B1 French listening practice · Québec French · Curated for intermediate learners

💡 Did you know?
aberrant(e)
French everyday exclamation
“outrageous,” “insane” — the everyday French word English keeps for lab reports

English “aberrant” is a clinical word: aberrant cells, aberrant behaviour. French aberrant is an everyday cry of disbelief. C’est aberrant ! means “that’s absurd,” “that’s outrageous,” landing roughly where English reaches for “insane” or “ridiculous.” It judges the situation rather than the person, and it works for anything from a price to a rule to a recipe that probably should not exist.

The cook here turns it into a running gag, stamping aberrante on every step of a tuna quiche — mustard smeared on by hand, tuna and emmental stirred straight in — so the word lands five times in a minute. Watch the agreement: une recette aberrante, un prix aberrant. Close relatives are the noun une aberration (a nonsense, a glaring error) and the milder, very French n’importe quoi.

Vocabulary frequency

How common is the vocabulary in this B1 French listening practice listening practice?

75.8%
of words are in the top 2,000 most common French words
Based on this reel’s transcript, most of the vocabulary is high-frequency, everyday French.

General French frequency

66.3%
Top 1,000
75.8%
Top 2,000
87.4%
Top 5,000

Spoken French frequency

88.3%
Top 1,000
96.1%
Top 2,000
100%
Top 5,000
👄 Conversational vocabulary
This reel’s words appear more often in subtitle-based spoken-French data than in general usage, so it may feel closer to everyday conversation.

Words above this video’s level

Quick glosses for vocabulary that goes beyond this video’s B1 level.

aberrant
2×
Rare / outside top 5,000
absurd, outrageous
quiche
2×
Rare / outside top 5,000
quiche (savory pie)
emmental
1×
Rare / outside top 5,000
Emmental cheese

Source: wordfreq 3.1.1 (general) · Lexique 3.83 (spoken). Buckets approximate; exact ranks not stored.

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