Aplomb
noun /əˈplɒm/ — Self-possession so complete it looks like calm.
Definition
Self-confidence or assurance, especially when in a difficult situation; the poise and steadiness of someone who cannot be rattled.
Beyond the definition
Aplomb is equanimity under fire — not just calmness, but the particular confidence that comes from knowing who you are in a room. The person with aplomb doesn't need reassurance; they are the reassurance.
Origin & history
From French à plomb — according to the plumb line (plomb 'lead'). A plumb line always finds true vertical. Aplomb is the social equivalent — always finding true.
Example sentences
Illustrative sentences for learning, not verified community posts or sourced quotations.
She handled the unexpected question with aplomb — nothing in her expression gave way.
The kind of aplomb that makes a room settle is not taught; it's earned.
He arrived late to his own speech and began with such aplomb that no one minded.
Synonyms
poise, composure, self-assurance, confidence, equanimity
Antonyms
flustered, rattled, uncertain
Related words
Aplomb vs composure
Aplomb is a state of confident, self-assured poise, especially when under pressure. Composure is a calmer, more neutral state of being in control of one's outward emotions.
Compare this word
Word in the Wild
See how this word appears in life, language and stories.
Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.
Fictional scene
Composed leader reviews plans
A team leader reviews architectural models with colleagues, maintaining a steady, attentive posture while evaluating a consequential design choice.
The scene displays steady, unhurried focus. Aplomb refers to the self-assurance and composure held during difficult situations, clearly indicated here by the calm body language and thoughtful concentration on a complex task without visible agitation or haste.
Image credit: Wordspun · AI-generated conceptual illustration